57103632 has 60 divisors (see below), whose sum is σ = 160324684. Its totient is φ = 18973440.

The previous prime is 57103619. The next prime is 57103661. The reversal of 57103632 is 23630175.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 43086096 + 14017536 = 6564^2 + 3744^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57103596 and 57103605.

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, 77538 + ... + 78270.

Almost surely, 2^57103632 is an apocalyptic number.

It is an amenable number.

57103632 is an abundant number, since it is smaller than the sum of its proper divisors (103221052).

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

57103632 is a wasteful number, since it uses less digits than its factorization.

57103632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288 (or 1279 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 57103632 is about 7556.6945154611. The cubic root of 57103632 is about 385.0832045952.

The spelling of 57103632 in words is "fifty-seven million, one hundred three thousand, six hundred thirty-two".