55660695 has 8 divisors (see below), whose sum is σ = 89057136. Its totient is φ = 29685696.

The previous prime is 55660681. The next prime is 55660697. The reversal of 55660695 is 59606655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55660695 - 2⁸ = 55660439 is a prime.

It is a super-2 number, since 2×55660695² = 6196225935766050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55660697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1855342 + ... + 1855371.

It is an arithmetic number, because the mean of its divisors is an integer number (11132142).

Almost surely, 2^55660695 is an apocalyptic number.

55660695 is a deficient number, since it is larger than the sum of its proper divisors (33396441).

55660695 is a wasteful number, since it uses less digits than its factorization.

55660695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3710721.

The product of its (nonzero) digits is 243000, while the sum is 42.

The square root of 55660695 is about 7460.6095595467. The cubic root of 55660695 is about 381.8119717347.

The spelling of 55660695 in words is "fifty-five million, six hundred sixty thousand, six hundred ninety-five".