55917308 has 6 divisors (see below), whose sum is σ = 97855296. Its totient is φ = 27958652.

The previous prime is 55917293. The next prime is 55917331. The reversal of 55917308 is 80371955.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6989660 + ... + 6989667.

It is an arithmetic number, because the mean of its divisors is an integer number (16309216).

Almost surely, 2^55917308 is an apocalyptic number.

It is an amenable number.

55917308 is a deficient number, since it is larger than the sum of its proper divisors (41937988).

55917308 is a wasteful number, since it uses less digits than its factorization.

55917308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13979331 (or 13979329 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 55917308 is about 7477.7876407397. The cubic root of 55917308 is about 382.3978293762.

The spelling of 55917308 in words is "fifty-five million, nine hundred seventeen thousand, three hundred eight".