55730774 has 8 divisors (see below), whose sum is σ = 91195848. Its totient is φ = 25332160.

The previous prime is 55730747. The next prime is 55730791. The reversal of 55730774 is 47703755.

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, 1266587 + ... + 1266630.

It is an arithmetic number, because the mean of its divisors is an integer number (11399481).

Almost surely, 2^55730774 is an apocalyptic number.

55730774 is a deficient number, since it is larger than the sum of its proper divisors (35465074).

55730774 is a wasteful number, since it uses less digits than its factorization.

55730774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2533230.

The product of its (nonzero) digits is 102900, while the sum is 38.

The square root of 55730774 is about 7465.3046823288. The cubic root of 55730774 is about 381.9721432863.

The spelling of 55730774 in words is "fifty-five million, seven hundred thirty thousand, seven hundred seventy-four".