55660911 has 8 divisors (see below), whose sum is σ = 74304000. Its totient is φ = 37062552.

The previous prime is 55660901. The next prime is 55660919. The reversal of 55660911 is 11906655.

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

It is not a de Polignac number, because 55660911 - 2⁷ = 55660783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55660919) 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, 8161 + ... + 13338.

It is an arithmetic number, because the mean of its divisors is an integer number (9288000).

Almost surely, 2^55660911 is an apocalyptic number.

55660911 is a deficient number, since it is larger than the sum of its proper divisors (18643089).

55660911 is a wasteful number, since it uses less digits than its factorization.

55660911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22365.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 55660911 is about 7460.6240355616. The cubic root of 55660911 is about 381.8124656277.

The spelling of 55660911 in words is "fifty-five million, six hundred sixty thousand, nine hundred eleven".