55574518 has 8 divisors (see below), whose sum is σ = 85614912. Its totient is φ = 27036216.

The previous prime is 55574507. The next prime is 55574567. The reversal of 55574518 is 81547555.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375430 + ... + 375577.

It is an arithmetic number, because the mean of its divisors is an integer number (10701864).

Almost surely, 2^55574518 is an apocalyptic number.

55574518 is a deficient number, since it is larger than the sum of its proper divisors (30040394).

55574518 is a wasteful number, since it uses less digits than its factorization.

55574518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751046.

The product of its digits is 140000, while the sum is 40.

The square root of 55574518 is about 7454.8318559173. The cubic root of 55574518 is about 381.6148224065.

The spelling of 55574518 in words is "fifty-five million, five hundred seventy-four thousand, five hundred eighteen".