53642530 has 16 divisors (see below), whose sum is σ = 97017984. Its totient is φ = 21354480.

The previous prime is 53642521. The next prime is 53642549. The reversal of 53642530 is 3524635.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10602 + ... + 14821.

It is an arithmetic number, because the mean of its divisors is an integer number (6063624).

Almost surely, 2^53642530 is an apocalyptic number.

53642530 is a deficient number, since it is larger than the sum of its proper divisors (43375454).

53642530 is a wasteful number, since it uses less digits than its factorization.

53642530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25641.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 53642530 is about 7324.1060888002. The cubic root of 53642530 is about 377.1404233604.

The spelling of 53642530 in words is "fifty-three million, six hundred forty-two thousand, five hundred thirty".