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54124420053 = 311191571972791
BaseRepresentation
bin110010011010000100…
…010001101111010101
312011201000122102022010
4302122010101233111
51341321322420203
640510414054433
73624152660004
oct623204215725
9164630572263
1054124420053
1120a54907970
12a5a61aa419
1351473a5172
1428963d0c3b
15161b9e5303
hexc9a111bd5

54124420053 has 64 divisors (see below), whose sum is σ = 83851130880. Its totient is φ = 30710534400.

The previous prime is 54124419949. The next prime is 54124420061. The reversal of 54124420053 is 35002442145.

It is not a de Polignac number, because 54124420053 - 212 = 54124415957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54124420053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54124420153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19391088 + ... + 19393878.

It is an arithmetic number, because the mean of its divisors is an integer number (1310173920).

Almost surely, 254124420053 is an apocalyptic number.

It is an amenable number.

54124420053 is a deficient number, since it is larger than the sum of its proper divisors (29726710827).

54124420053 is a wasteful number, since it uses less digits than its factorization.

54124420053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 54124420053 its reverse (35002442145), we get a palindrome (89126862198).

The spelling of 54124420053 in words is "fifty-four billion, one hundred twenty-four million, four hundred twenty thousand, fifty-three".

Divisors: 1 3 11 19 33 57 157 197 209 471 591 627 1727 2167 2791 2983 3743 5181 6501 8373 8949 11229 30701 30929 32813 41173 53029 92103 92787 98439 123519 159087 340219 438187 549827 583319 587651 1020657 1314561 1649481 1749957 1762953 4820057 6048097 6464161 8325553 10446713 14460171 18144291 19392483 24976659 31340139 86322839 91581083 114913843 258968517 274743249 344741529 949551229 1640133941 2848653687 4920401823 18041473351 54124420053