57206532 has 48 divisors (see below), whose sum is σ = 140102144. Its totient is φ = 18144000.

The previous prime is 57206483. The next prime is 57206537. The reversal of 57206532 is 23560275.

It is a self number, because there is not a number n which added to its sum of digits gives 57206532.

It is not an unprimeable number, because it can be changed into a prime (57206537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21432 + ... + 23952.

Almost surely, 2^57206532 is an apocalyptic number.

It is a pronic number, being equal to 7563×7564.

It is an amenable number.

57206532 is an abundant number, since it is smaller than the sum of its proper divisors (82895612).

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

57206532 is a wasteful number, since it uses less digits than its factorization.

57206532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620 (or 2618 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 57206532 is about 7563.4999834733. The cubic root of 57206532 is about 385.3143707684.

The spelling of 57206532 in words is "fifty-seven million, two hundred six thousand, five hundred thirty-two".