55875686 has 16 divisors (see below), whose sum is σ = 85053024. Its totient is φ = 27527424.

The previous prime is 55875667. The next prime is 55875709. The reversal of 55875686 is 68657855.

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, 56351 + ... + 57333.

It is an arithmetic number, because the mean of its divisors is an integer number (5315814).

Almost surely, 2^55875686 is an apocalyptic number.

55875686 is a deficient number, since it is larger than the sum of its proper divisors (29177338).

55875686 is a wasteful number, since it uses less digits than its factorization.

55875686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375.

The product of its digits is 2016000, while the sum is 50.

The square root of 55875686 is about 7475.0040802664. The cubic root of 55875686 is about 382.3029266605.

The spelling of 55875686 in words is "fifty-five million, eight hundred seventy-five thousand, six hundred eighty-six".