57320654 has 4 divisors (see below), whose sum is σ = 85980984. Its totient is φ = 28660326.

The previous prime is 57320647. The next prime is 57320707. The reversal of 57320654 is 45602375.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 57320654.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14330162 + ... + 14330165.

It is an arithmetic number, because the mean of its divisors is an integer number (21495246).

Almost surely, 2^57320654 is an apocalyptic number.

57320654 is a deficient number, since it is larger than the sum of its proper divisors (28660330).

57320654 is a wasteful number, since it uses less digits than its factorization.

57320654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28660329.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 57320654 is about 7571.0404833154. The cubic root of 57320654 is about 385.5704233368.

The spelling of 57320654 in words is "fifty-seven million, three hundred twenty thousand, six hundred fifty-four".