55616974 has 16 divisors (see below), whose sum is σ = 97561728. Its totient is φ = 23281272.

The previous prime is 55616959. The next prime is 55616993. The reversal of 55616974 is 47961655.

55616974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 55616974.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45592 + ... + 46795.

It is an arithmetic number, because the mean of its divisors is an integer number (6097608).

Almost surely, 2^55616974 is an apocalyptic number.

55616974 is a deficient number, since it is larger than the sum of its proper divisors (41944754).

55616974 is a wasteful number, since it uses less digits than its factorization.

55616974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92439.

The product of its digits is 226800, while the sum is 43.

The square root of 55616974 is about 7457.6788614153. The cubic root of 55616974 is about 381.7119755350.

The spelling of 55616974 in words is "fifty-five million, six hundred sixteen thousand, nine hundred seventy-four".