57459978 has 12 divisors (see below), whose sum is σ = 124496658. Its totient is φ = 19153320.

The previous prime is 57459973. The next prime is 57459989. The reversal of 57459978 is 87995475.

It can be written as a sum of positive squares in only one way, i.e., 41563809 + 15896169 = 6447^2 + 3987^2 .

It is not an unprimeable number, because it can be changed into a prime (57459973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1596093 + ... + 1596128.

Almost surely, 2^57459978 is an apocalyptic number.

57459978 is an abundant number, since it is smaller than the sum of its proper divisors (67036680).

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

57459978 is a wasteful number, since it uses less digits than its factorization.

57459978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192229 (or 3192226 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 54.

The square root of 57459978 is about 7580.2360121569. The cubic root of 57459978 is about 385.8825606739.

The spelling of 57459978 in words is "fifty-seven million, four hundred fifty-nine thousand, nine hundred seventy-eight".