57478068 has 36 divisors (see below), whose sum is σ = 145784548. Its totient is φ = 19094400.

The previous prime is 57478051. The next prime is 57478079. The reversal of 57478068 is 86087475.

57478068 is a `hidden beast` number, since 574 + 78 + 0 + 6 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 142884 + 57335184 = 378^2 + 7572^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8718 + ... + 13818.

Almost surely, 2^57478068 is an apocalyptic number.

It is an amenable number.

57478068 is an abundant number, since it is smaller than the sum of its proper divisors (88306480).

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

57478068 is a wasteful number, since it uses less digits than its factorization.

57478068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5424 (or 5419 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 57478068 is about 7581.4291528708. The cubic root of 57478068 is about 385.9230519476.

The spelling of 57478068 in words is "fifty-seven million, four hundred seventy-eight thousand, sixty-eight".