55501124 has 36 divisors (see below), whose sum is σ = 119637756. Its totient is φ = 22385664.

The previous prime is 55501091. The next prime is 55501177. The reversal of 55501124 is 42110555.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51380224 + 4120900 = 7168^2 + 2030^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55501124.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4997 + ... + 11660.

It is an arithmetic number, because the mean of its divisors is an integer number (3323271).

Almost surely, 2^55501124 is an apocalyptic number.

It is an amenable number.

55501124 is an abundant number, since it is smaller than the sum of its proper divisors (64136632).

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

55501124 is a wasteful number, since it uses less digits than its factorization.

55501124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16692 (or 16683 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 55501124 is about 7449.9076504343. The cubic root of 55501124 is about 381.4467563099.

Adding to 55501124 its reverse (42110555), we get a palindrome (97611679).

The spelling of 55501124 in words is "fifty-five million, five hundred one thousand, one hundred twenty-four".