55330211525 has 12 divisors (see below), whose sum is σ = 72645313572. Its totient is φ = 41660394240.

The previous prime is 55330211513. The next prime is 55330211557. The reversal of 55330211525 is 52511203355.

It can be written as a sum of positive squares in 6 ways, for example, as 611177284 + 54719034241 = 24722^2 + 233921^2 .

It is not a de Polignac number, because 55330211525 - 2²⁸ = 55061776069 is a prime.

It is a super-2 number, since 2×55330211525² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55330211491 and 55330211500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65093942 + ... + 65094791.

It is an arithmetic number, because the mean of its divisors is an integer number (6053776131).

Almost surely, 2^55330211525 is an apocalyptic number.

It is an amenable number.

55330211525 is a deficient number, since it is larger than the sum of its proper divisors (17315102047).

55330211525 is a wasteful number, since it uses less digits than its factorization.

55330211525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130188760 (or 130188755 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 32.

The spelling of 55330211525 in words is "fifty-five billion, three hundred thirty million, two hundred eleven thousand, five hundred twenty-five".