55055022531 has 8 divisors (see below), whose sum is σ = 73414677264. Its totient is φ = 36699358080.

The previous prime is 55055022521. The next prime is 55055022541. The reversal of 55055022531 is 13522055055.

55055022531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55055022521) and next prime (55055022541).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55055022531 - 2⁵ = 55055022499 is a prime.

It is a super-2 number, since 2×55055022531² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55055022492 and 55055022501.

It is not an unprimeable number, because it can be changed into a prime (55055022521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 965226 + ... + 1020671.

It is an arithmetic number, because the mean of its divisors is an integer number (9176834658).

Almost surely, 2^55055022531 is an apocalyptic number.

55055022531 is a deficient number, since it is larger than the sum of its proper divisors (18359654733).

55055022531 is a wasteful number, since it uses less digits than its factorization.

55055022531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995141.

The product of its (nonzero) digits is 37500, while the sum is 33.

Adding to 55055022531 its reverse (13522055055), we get a palindrome (68577077586).

The spelling of 55055022531 in words is "fifty-five billion, fifty-five million, twenty-two thousand, five hundred thirty-one".