55356706431 has 48 divisors (see below), whose sum is σ = 87573138016. Its totient is φ = 33490050048.

The previous prime is 55356706393. The next prime is 55356706441. The reversal of 55356706431 is 13460765355.

55356706431 is a `hidden beast` number, since 5 + 53 + 567 + 0 + 6 + 4 + 31 = 666.

It is not a de Polignac number, because 55356706431 - 2⁷ = 55356706303 is a prime.

It is a super-2 number, since 2×55356706431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55356706441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2662980 + ... + 2683686.

Almost surely, 2^55356706431 is an apocalyptic number.

55356706431 is a deficient number, since it is larger than the sum of its proper divisors (32216431585).

55356706431 is a wasteful number, since it uses less digits than its factorization.

55356706431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21112 (or 21109 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 45.

The spelling of 55356706431 in words is "fifty-five billion, three hundred fifty-six million, seven hundred six thousand, four hundred thirty-one".