57630532 has 12 divisors (see below), whose sum is σ = 101075436. Its totient is φ = 28751840.

The previous prime is 57630523. The next prime is 57630539. The reversal of 57630532 is 23503675.

It can be written as a sum of positive squares in 2 ways, for example, as 26894596 + 30735936 = 5186^2 + 5544^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57630494 and 57630503.

It is not an unprimeable number, because it can be changed into a prime (57630539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13783 + ... + 17470.

It is an arithmetic number, because the mean of its divisors is an integer number (8422953).

Almost surely, 2^57630532 is an apocalyptic number.

It is an amenable number.

57630532 is a deficient number, since it is larger than the sum of its proper divisors (43444904).

57630532 is a wasteful number, since it uses less digits than its factorization.

57630532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31718 (or 31716 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 57630532 is about 7591.4775900348. The cubic root of 57630532 is about 386.2639786453.

The spelling of 57630532 in words is "fifty-seven million, six hundred thirty thousand, five hundred thirty-two".