55076865 has 16 divisors (see below), whose sum is σ = 88216128. Its totient is φ = 29343296.

The previous prime is 55076803. The next prime is 55076873. The reversal of 55076865 is 56867055.

It is a cyclic number.

It is not a de Polignac number, because 55076865 - 2²² = 50882561 is a prime.

It is a super-2 number, since 2×55076865² = 6066922116456450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23434 + ... + 25676.

It is an arithmetic number, because the mean of its divisors is an integer number (5513508).

Almost surely, 2^55076865 is an apocalyptic number.

It is an amenable number.

55076865 is a deficient number, since it is larger than the sum of its proper divisors (33139263).

55076865 is a wasteful number, since it uses less digits than its factorization.

55076865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3888.

The product of its (nonzero) digits is 252000, while the sum is 42.

The square root of 55076865 is about 7421.3789149996. The cubic root of 55076865 is about 380.4723235746.

The spelling of 55076865 in words is "fifty-five million, seventy-six thousand, eight hundred sixty-five".