57204978 has 8 divisors (see below), whose sum is σ = 114409968. Its totient is φ = 19068324.

The previous prime is 57204977. The next prime is 57204989. The reversal of 57204978 is 87940275.

57204978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

57204978 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (57204971) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4767076 + ... + 4767087.

It is an arithmetic number, because the mean of its divisors is an integer number (14301246).

Almost surely, 2^57204978 is an apocalyptic number.

57204978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57204978 is a wasteful number, since it uses less digits than its factorization.

57204978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9534168.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 57204978 is about 7563.3972525579. The cubic root of 57204978 is about 385.3108817499.

The spelling of 57204978 in words is "fifty-seven million, two hundred four thousand, nine hundred seventy-eight".