55660574 has 8 divisors (see below), whose sum is σ = 83607888. Its totient is φ = 27791280.

The previous prime is 55660573. The next prime is 55660607. The reversal of 55660574 is 47506655.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55660571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17687 + ... + 20594.

It is an arithmetic number, because the mean of its divisors is an integer number (10450986).

Almost surely, 2^55660574 is an apocalyptic number.

55660574 is a deficient number, since it is larger than the sum of its proper divisors (27947314).

55660574 is a wasteful number, since it uses less digits than its factorization.

55660574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39010.

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 55660574 is about 7460.6014502854. The cubic root of 55660574 is about 381.8116950626.

The spelling of 55660574 in words is "fifty-five million, six hundred sixty thousand, five hundred seventy-four".