57400478 has 8 divisors (see below), whose sum is σ = 86139720. Its totient is φ = 28687240.

The previous prime is 57400477. The next prime is 57400487. The reversal of 57400478 is 87400475.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57400477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548 + ... + 10728.

It is an arithmetic number, because the mean of its divisors is an integer number (10767465).

Almost surely, 2^57400478 is an apocalyptic number.

57400478 is a deficient number, since it is larger than the sum of its proper divisors (28739242).

57400478 is a wasteful number, since it uses less digits than its factorization.

57400478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13002.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 57400478 is about 7576.3103157144. The cubic root of 57400478 is about 385.7493204443.

The spelling of 57400478 in words is "fifty-seven million, four hundred thousand, four hundred seventy-eight".