55626257020 has 36 divisors (see below), whose sum is σ = 117983609352. Its totient is φ = 22030120000.

The previous prime is 55626257009. The next prime is 55626257053. The reversal of 55626257020 is 2075262655.

It is a happy number.

It is a congruent number.

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, 67695 + ... + 340345.

It is an arithmetic number, because the mean of its divisors is an integer number (3277322482).

Almost surely, 2^55626257020 is an apocalyptic number.

It is an amenable number.

55626257020 is an abundant number, since it is smaller than the sum of its proper divisors (62357352332).

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

55626257020 is a wasteful number, since it uses less digits than its factorization.

55626257020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272862 (or 272759 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 40.

The spelling of 55626257020 in words is "fifty-five billion, six hundred twenty-six million, two hundred fifty-seven thousand, twenty".