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55791019755 = 335413266813
BaseRepresentation
bin110011111101011001…
…110110011011101011
312100000011122110022000
4303331121312123223
51403230000113010
641344031102043
74013360562162
oct637531663353
9170004573260
1055791019755
112172a637999
12a990371923
135351758b33
1429b38a03d9
1516b7e9c7c0
hexcfd6766eb

55791019755 has 16 divisors (see below), whose sum is σ = 99184035360. Its totient is φ = 29755210464.

The previous prime is 55791019727. The next prime is 55791019769.

It is a happy number.

55791019755 is a `hidden beast` number, since 5 + 579 + 1 + 0 + 19 + 7 + 55 = 666.

55791019755 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55791019755 - 218 = 55790757611 is a prime.

It is a super-2 number, since 2×557910197552 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206633272 + ... + 206633541.

It is an arithmetic number, because the mean of its divisors is an integer number (6199002210).

Almost surely, 255791019755 is an apocalyptic number.

55791019755 is a deficient number, since it is larger than the sum of its proper divisors (43393015605).

55791019755 is a wasteful number, since it uses less digits than its factorization.

55791019755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413266827 (or 413266821 counting only the distinct ones).

The product of its (nonzero) digits is 2480625, while the sum is 54.

The spelling of 55791019755 in words is "fifty-five billion, seven hundred ninety-one million, nineteen thousand, seven hundred fifty-five".

Divisors: 1 3 5 9 15 27 45 135 413266813 1239800439 2066334065 3719401317 6199002195 11158203951 18597006585 55791019755