55424513100 has 72 divisors (see below), whose sum is σ = 174939928128. Its totient is φ = 13436244800.

The previous prime is 55424513087. The next prime is 55424513117. The reversal of 55424513100 is 131542455.

It is a super-2 number, since 2×55424513100² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8394354 + ... + 8400953.

It is an arithmetic number, because the mean of its divisors is an integer number (2429721224).

Almost surely, 2^55424513100 is an apocalyptic number.

55424513100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55424513100 is an abundant number, since it is smaller than the sum of its proper divisors (119515415028).

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

55424513100 is a wasteful number, since it uses less digits than its factorization.

55424513100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16795335 (or 16795328 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 55424513100 in words is "fifty-five billion, four hundred twenty-four million, five hundred thirteen thousand, one hundred".