55503032531 has 8 divisors (see below), whose sum is σ = 56147385600. Its totient is φ = 54859140160.

The previous prime is 55503032491. The next prime is 55503032549. The reversal of 55503032531 is 13523030555.

55503032531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55503032531 is a prime.

It is a super-2 number, since 2×55503032531² (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 (55503032591) 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, 130190 + ... + 357708.

It is an arithmetic number, because the mean of its divisors is an integer number (7018423200).

Almost surely, 2^55503032531 is an apocalyptic number.

55503032531 is a deficient number, since it is larger than the sum of its proper divisors (644353069).

55503032531 is a wasteful number, since it uses less digits than its factorization.

55503032531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230349.

The product of its (nonzero) digits is 33750, while the sum is 32.

The spelling of 55503032531 in words is "fifty-five billion, five hundred three million, thirty-two thousand, five hundred thirty-one".