55786570 has 16 divisors (see below), whose sum is σ = 114761088. Its totient is φ = 19126800.

The previous prime is 55786567. The next prime is 55786579. The reversal of 55786570 is 7568755.

55786570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55786570² = 6224282784729800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55786579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398406 + ... + 398545.

It is an arithmetic number, because the mean of its divisors is an integer number (7172568).

Almost surely, 2^55786570 is an apocalyptic number.

55786570 is an abundant number, since it is smaller than the sum of its proper divisors (58974518).

55786570 is a wasteful number, since it uses less digits than its factorization.

55786570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796965.

The product of its (nonzero) digits is 294000, while the sum is 43.

The square root of 55786570 is about 7469.0407683986. The cubic root of 55786570 is about 382.0995738341.

The spelling of 55786570 in words is "fifty-five million, seven hundred eighty-six thousand, five hundred seventy".