55685876 has 12 divisors (see below), whose sum is σ = 98545860. Its totient is φ = 27529920.

The previous prime is 55685869. The next prime is 55685891. The reversal of 55685876 is 67858655.

It can be written as a sum of positive squares in 2 ways, for example, as 3701776 + 51984100 = 1924^2 + 7210^2 .

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, 77855 + ... + 78566.

It is an arithmetic number, because the mean of its divisors is an integer number (8212155).

Almost surely, 2^55685876 is an apocalyptic number.

It is an amenable number.

55685876 is a deficient number, since it is larger than the sum of its proper divisors (42859984).

55685876 is a wasteful number, since it uses less digits than its factorization.

55685876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156514 (or 156512 counting only the distinct ones).

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

The square root of 55685876 is about 7462.2969654122. The cubic root of 55685876 is about 381.8695405318.

The spelling of 55685876 in words is "fifty-five million, six hundred eighty-five thousand, eight hundred seventy-six".