55645695 has 48 divisors (see below), whose sum is σ = 110839872. Its totient is φ = 25297920.

The previous prime is 55645679. The next prime is 55645721. The reversal of 55645695 is 59654655.

55645695 is a `hidden beast` number, since 556 + 4 + 5 + 6 + 95 = 666.

It is not a de Polignac number, because 55645695 - 2⁴ = 55645679 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 55645695.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75549 + ... + 76281.

It is an arithmetic number, because the mean of its divisors is an integer number (2309164).

Almost surely, 2^55645695 is an apocalyptic number.

55645695 is a deficient number, since it is larger than the sum of its proper divisors (55194177).

55645695 is a wasteful number, since it uses less digits than its factorization.

55645695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992 (or 989 counting only the distinct ones).

The product of its digits is 810000, while the sum is 45.

The square root of 55645695 is about 7459.6042120209. The cubic root of 55645695 is about 381.7776704854. Note that the first 3 decimals are identical.

The spelling of 55645695 in words is "fifty-five million, six hundred forty-five thousand, six hundred ninety-five".