57532478 has 4 divisors (see below), whose sum is σ = 86298720. Its totient is φ = 28766238.

The previous prime is 57532477. The next prime is 57532483. The reversal of 57532478 is 87423575.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57532477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14383118 + ... + 14383121.

It is an arithmetic number, because the mean of its divisors is an integer number (21574680).

Almost surely, 2^57532478 is an apocalyptic number.

57532478 is a deficient number, since it is larger than the sum of its proper divisors (28766242).

57532478 is a wasteful number, since it uses less digits than its factorization.

57532478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28766241.

The product of its digits is 235200, while the sum is 41.

The square root of 57532478 is about 7585.0166776349. The cubic root of 57532478 is about 386.0447879518.

The spelling of 57532478 in words is "fifty-seven million, five hundred thirty-two thousand, four hundred seventy-eight".