55900870 has 8 divisors (see below), whose sum is σ = 100621584. Its totient is φ = 22360344.

The previous prime is 55900853. The next prime is 55900909. The reversal of 55900870 is 7800955.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2795034 + ... + 2795053.

It is an arithmetic number, because the mean of its divisors is an integer number (12577698).

Almost surely, 2^55900870 is an apocalyptic number.

55900870 is a deficient number, since it is larger than the sum of its proper divisors (44720714).

55900870 is a wasteful number, since it uses less digits than its factorization.

55900870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5590094.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 55900870 is about 7476.6884380720. The cubic root of 55900870 is about 382.3603545656.

The spelling of 55900870 in words is "fifty-five million, nine hundred thousand, eight hundred seventy".