55317902 has 16 divisors (see below), whose sum is σ = 85396032. Its totient is φ = 26863200.

The previous prime is 55317893. The next prime is 55317929. The reversal of 55317902 is 20971355.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8123 + ... + 13289.

It is an arithmetic number, because the mean of its divisors is an integer number (5337252).

Almost surely, 2^55317902 is an apocalyptic number.

55317902 is a deficient number, since it is larger than the sum of its proper divisors (30078130).

55317902 is a wasteful number, since it uses less digits than its factorization.

55317902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5323.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 55317902 is about 7437.6005539421. The cubic root of 55317902 is about 381.0265456850.

The spelling of 55317902 in words is "fifty-five million, three hundred seventeen thousand, nine hundred two".