55412240931 has 12 divisors (see below), whose sum is σ = 80042049360. Its totient is φ = 36940503600.

The previous prime is 55412240929. The next prime is 55412240953. The reversal of 55412240931 is 13904221455.

55412240931 is a `hidden beast` number, since 5 + 541 + 2 + 24 + 0 + 93 + 1 = 666.

It is not a de Polignac number, because 55412240931 - 2¹ = 55412240929 is a prime.

It is a super-2 number, since 2×55412240931² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55412240971) 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 11 ways as a sum of consecutive naturals, for example, 458505 + ... + 566613.

It is an arithmetic number, because the mean of its divisors is an integer number (6670170780).

Almost surely, 2^55412240931 is an apocalyptic number.

55412240931 is a deficient number, since it is larger than the sum of its proper divisors (24629808429).

55412240931 is a wasteful number, since it uses less digits than its factorization.

55412240931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165066 (or 165063 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 55412240931 in words is "fifty-five billion, four hundred twelve million, two hundred forty thousand, nine hundred thirty-one".