55657574 has 32 divisors (see below), whose sum is σ = 101606400. Its totient is φ = 22334400.

The previous prime is 55657571. The next prime is 55657601. The reversal of 55657574 is 47575655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55657571) 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 15 ways as a sum of consecutive naturals, for example, 22499 + ... + 24849.

It is an arithmetic number, because the mean of its divisors is an integer number (3175200).

Almost surely, 2^55657574 is an apocalyptic number.

55657574 is a deficient number, since it is larger than the sum of its proper divisors (45948826).

55657574 is a wasteful number, since it uses less digits than its factorization.

55657574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2468.

The product of its digits is 735000, while the sum is 44.

The square root of 55657574 is about 7460.4003913999. The cubic root of 55657574 is about 381.8048352959.

The spelling of 55657574 in words is "fifty-five million, six hundred fifty-seven thousand, five hundred seventy-four".