55624523836 has 36 divisors (see below), whose sum is σ = 113338739808. Its totient is φ = 23817376128.

The previous prime is 55624523819. The next prime is 55624523837. The reversal of 55624523836 is 63832542655.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 55624523836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55624523837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87540 + ... + 344836.

It is an arithmetic number, because the mean of its divisors is an integer number (3148298328).

Almost surely, 2^55624523836 is an apocalyptic number.

It is an amenable number.

55624523836 is an abundant number, since it is smaller than the sum of its proper divisors (57714215972).

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

55624523836 is a wasteful number, since it uses less digits than its factorization.

55624523836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258418 (or 258409 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 49.

The spelling of 55624523836 in words is "fifty-five billion, six hundred twenty-four million, five hundred twenty-three thousand, eight hundred thirty-six".