55901788 has 12 divisors (see below), whose sum is σ = 97902000. Its totient is φ = 27929792.

The previous prime is 55901719. The next prime is 55901801. The reversal of 55901788 is 88710955.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1713 + ... + 10711.

It is an arithmetic number, because the mean of its divisors is an integer number (8158500).

Almost surely, 2^55901788 is an apocalyptic number.

It is an amenable number.

55901788 is a deficient number, since it is larger than the sum of its proper divisors (42000212).

55901788 is a wasteful number, since it uses less digits than its factorization.

55901788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10556 (or 10554 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 43.

The square root of 55901788 is about 7476.7498286354. The cubic root of 55901788 is about 382.3624475854.

The spelling of 55901788 in words is "fifty-five million, nine hundred one thousand, seven hundred eighty-eight".