55025696628 has 144 divisors (see below), whose sum is σ = 174548110464. Its totient is φ = 14796794880.

The previous prime is 55025696599. The next prime is 55025696651. The reversal of 55025696628 is 82669652055.

55025696628 is a `hidden beast` number, since 5 + 5 + 0 + 2 + 5 + 6 + 9 + 6 + 628 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122193 + ... + 353528.

It is an arithmetic number, because the mean of its divisors is an integer number (1212139656).

Almost surely, 2^55025696628 is an apocalyptic number.

It is an amenable number.

55025696628 is an abundant number, since it is smaller than the sum of its proper divisors (119522413836).

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

55025696628 is a wasteful number, since it uses less digits than its factorization.

55025696628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475764 (or 475750 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 54.

The spelling of 55025696628 in words is "fifty-five billion, twenty-five million, six hundred ninety-six thousand, six hundred twenty-eight".