55350856931 has 32 divisors (see below), whose sum is σ = 60755443200. Its totient is φ = 50260573440.

The previous prime is 55350856909. The next prime is 55350856963. The reversal of 55350856931 is 13965805355.

55350856931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55350856931 - 2¹⁰ = 55350855907 is a prime.

It is a super-2 number, since 2×55350856931² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55350856931.

It is not an unprimeable number, because it can be changed into a prime (55350856991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36152636 + ... + 36154166.

It is an arithmetic number, because the mean of its divisors is an integer number (1898607600).

Almost surely, 2^55350856931 is an apocalyptic number.

55350856931 is a deficient number, since it is larger than the sum of its proper divisors (5404586269).

55350856931 is a wasteful number, since it uses less digits than its factorization.

55350856931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459.

The product of its (nonzero) digits is 2430000, while the sum is 50.

The spelling of 55350856931 in words is "fifty-five billion, three hundred fifty million, eight hundred fifty-six thousand, nine hundred thirty-one".