55556870 has 16 divisors (see below), whose sum is σ = 100098720. Its totient is φ = 22201344.

The previous prime is 55556863. The next prime is 55556873. The reversal of 55556870 is 7865555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55556873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12119 + ... + 16061.

It is an arithmetic number, because the mean of its divisors is an integer number (6256170).

Almost surely, 2^55556870 is an apocalyptic number.

55556870 is a deficient number, since it is larger than the sum of its proper divisors (44541850).

55556870 is a wasteful number, since it uses less digits than its factorization.

55556870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5359.

The product of its (nonzero) digits is 210000, while the sum is 41.

The square root of 55556870 is about 7453.6481000917. The cubic root of 55556870 is about 381.5744234873.

The spelling of 55556870 in words is "fifty-five million, five hundred fifty-six thousand, eight hundred seventy".