57109632 has 32 divisors (see below), whose sum is σ = 151698480. Its totient is φ = 19036416.

The previous prime is 57109627. The next prime is 57109639. The reversal of 57109632 is 23690175.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 57109593 and 57109602.

It is not an unprimeable number, because it can be changed into a prime (57109639) 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, 73978 + ... + 74745.

Almost surely, 2^57109632 is an apocalyptic number.

It is an amenable number.

57109632 is an abundant number, since it is smaller than the sum of its proper divisors (94588848).

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

57109632 is a wasteful number, since it uses less digits than its factorization.

57109632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148740 (or 148728 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 57109632 is about 7557.0915040113. The cubic root of 57109632 is about 385.0966912931.

The spelling of 57109632 in words is "fifty-seven million, one hundred nine thousand, six hundred thirty-two".