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53055214031 = 17291032110427
BaseRepresentation
bin110001011010010101…
…100101000111001111
312001221111202010101002
4301122111211013033
51332124113322111
640212341210515
73555520610201
oct613225450717
9161844663332
1053055214031
1120556315626
12a348100a3b
135006a16991
1427d43ca771
1515a7be363b
hexc5a5651cf

53055214031 has 16 divisors (see below), whose sum is σ = 58124420640. Its totient is φ = 48203151360.

The previous prime is 53055214021. The next prime is 53055214063. The reversal of 53055214031 is 13041255035.

It is a cyclic number.

It is not a de Polignac number, because 53055214031 - 210 = 53055213007 is a prime.

It is a super-2 number, since 2×530552140312 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53055213985 and 53055214003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53055214001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5083040 + ... + 5093466.

It is an arithmetic number, because the mean of its divisors is an integer number (3632776290).

Almost surely, 253055214031 is an apocalyptic number.

53055214031 is a deficient number, since it is larger than the sum of its proper divisors (5069206609).

53055214031 is a wasteful number, since it uses less digits than its factorization.

53055214031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20794.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 53055214031 its reverse (13041255035), we get a palindrome (66096469066).

The spelling of 53055214031 in words is "fifty-three billion, fifty-five million, two hundred fourteen thousand, thirty-one".

Divisors: 1 17 29 493 10321 10427 175457 177259 299309 302383 5088253 5140511 107617067 1829490139 3120894943 53055214031