55531024531 has 4 divisors (see below), whose sum is σ = 55532468464. Its totient is φ = 55529580600.

The previous prime is 55531024517. The next prime is 55531024543. The reversal of 55531024531 is 13542013555.

55531024531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55531024531 - 2⁵ = 55531024499 is a prime.

It is a super-2 number, since 2×55531024531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55531024561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662655 + ... + 741736.

It is an arithmetic number, because the mean of its divisors is an integer number (13883117116).

Almost surely, 2^55531024531 is an apocalyptic number.

55531024531 is a deficient number, since it is larger than the sum of its proper divisors (1443933).

55531024531 is a wasteful number, since it uses less digits than its factorization.

55531024531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443932.

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 55531024531 in words is "fifty-five billion, five hundred thirty-one million, twenty-four thousand, five hundred thirty-one".