57633240 has 64 divisors (see below), whose sum is σ = 197602560. Its totient is φ = 13173120.

The previous prime is 57633223. The next prime is 57633253. The reversal of 57633240 is 4233675.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 57633198 and 57633207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33466 + ... + 35145.

It is an arithmetic number, because the mean of its divisors is an integer number (3087540).

Almost surely, 2^57633240 is an apocalyptic number.

It is an amenable number.

57633240 is an abundant number, since it is smaller than the sum of its proper divisors (139969320).

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

57633240 is a wasteful number, since it uses less digits than its factorization.

57633240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68632 (or 68628 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 57633240 is about 7591.6559458395. The cubic root of 57633240 is about 386.2700286008.

The spelling of 57633240 in words is "fifty-seven million, six hundred thirty-three thousand, two hundred forty".