55825505361 has 12 divisors (see below), whose sum is σ = 80650727040. Its totient is φ = 37210594680.

The previous prime is 55825505327. The next prime is 55825505371. The reversal of 55825505361 is 16350552855.

It is a happy number.

55825505361 is a `hidden beast` number, since 5 + 5 + 82 + 5 + 505 + 3 + 61 = 666.

It is not a de Polignac number, because 55825505361 - 2⁶ = 55825505297 is a prime.

It is a super-2 number, since 2×55825505361² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (55825505371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 478605 + ... + 583706.

It is an arithmetic number, because the mean of its divisors is an integer number (6720893920).

Almost surely, 2^55825505361 is an apocalyptic number.

It is an amenable number.

55825505361 is a deficient number, since it is larger than the sum of its proper divisors (24825221679).

55825505361 is a wasteful number, since it uses less digits than its factorization.

55825505361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068156 (or 1068153 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 45.

The spelling of 55825505361 in words is "fifty-five billion, eight hundred twenty-five million, five hundred five thousand, three hundred sixty-one".