55694865 has 16 divisors (see below), whose sum is σ = 90115200. Its totient is φ = 29369472.

The previous prime is 55694827. The next prime is 55694867. The reversal of 55694865 is 56849655.

It is not a de Polignac number, because 55694865 - 2⁶ = 55694801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55694867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19525 + ... + 22194.

It is an arithmetic number, because the mean of its divisors is an integer number (5632200).

Almost surely, 2^55694865 is an apocalyptic number.

It is an amenable number.

55694865 is a deficient number, since it is larger than the sum of its proper divisors (34420335).

55694865 is a wasteful number, since it uses less digits than its factorization.

55694865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41816.

The product of its digits is 1296000, while the sum is 48.

The square root of 55694865 is about 7462.8992355518. The cubic root of 55694865 is about 381.8900869783.

The spelling of 55694865 in words is "fifty-five million, six hundred ninety-four thousand, eight hundred sixty-five".