55724534544 has 80 divisors (see below), whose sum is σ = 168346145792. Its totient is φ = 15551028864.

The previous prime is 55724534543. The next prime is 55724534653. The reversal of 55724534544 is 44543542755.

It is a happy number.

55724534544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 55724534493 and 55724534502.

It is not an unprimeable number, because it can be changed into a prime (55724534543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1914004 + ... + 1942899.

Almost surely, 2^55724534544 is an apocalyptic number.

It is an amenable number.

55724534544 is an abundant number, since it is smaller than the sum of its proper divisors (112621611248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55724534544 is a wasteful number, since it uses less digits than its factorization.

55724534544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3856964 (or 3856958 counting only the distinct ones).

The product of its digits is 6720000, while the sum is 48.

The spelling of 55724534544 in words is "fifty-five billion, seven hundred twenty-four million, five hundred thirty-four thousand, five hundred forty-four".