55536915 has 32 divisors (see below), whose sum is σ = 101892096. Its totient is φ = 25303680.

The previous prime is 55536911. The next prime is 55536931. The reversal of 55536915 is 51963555.

It is not a de Polignac number, because 55536915 - 2² = 55536911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55536911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39525 + ... + 40905.

It is an arithmetic number, because the mean of its divisors is an integer number (3184128).

Almost surely, 2^55536915 is an apocalyptic number.

55536915 is a deficient number, since it is larger than the sum of its proper divisors (46355181).

55536915 is a wasteful number, since it uses less digits than its factorization.

55536915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779.

The product of its digits is 101250, while the sum is 39.

The square root of 55536915 is about 7452.3093736103. The cubic root of 55536915 is about 381.5287331916.

The spelling of 55536915 in words is "fifty-five million, five hundred thirty-six thousand, nine hundred fifteen".