55870570 has 16 divisors (see below), whose sum is σ = 114933888. Its totient is φ = 19155600.

The previous prime is 55870567. The next prime is 55870589. The reversal of 55870570 is 7507855.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399006 + ... + 399145.

It is an arithmetic number, because the mean of its divisors is an integer number (7183368).

Almost surely, 2^55870570 is an apocalyptic number.

55870570 is an abundant number, since it is smaller than the sum of its proper divisors (59063318).

55870570 is a wasteful number, since it uses less digits than its factorization.

55870570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798165.

The product of its (nonzero) digits is 49000, while the sum is 37.

The square root of 55870570 is about 7474.6618652619. The cubic root of 55870570 is about 382.2912583684.

The spelling of 55870570 in words is "fifty-five million, eight hundred seventy thousand, five hundred seventy".