52648644 has 24 divisors (see below), whose sum is σ = 123475968. Its totient is φ = 17459680.

The previous prime is 52648627. The next prime is 52648691. The reversal of 52648644 is 44684625.

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, 8772 + ... + 13499.

It is an arithmetic number, because the mean of its divisors is an integer number (5144832).

Almost surely, 2^52648644 is an apocalyptic number.

It is an amenable number.

52648644 is an abundant number, since it is smaller than the sum of its proper divisors (70827324).

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

52648644 is a wasteful number, since it uses less digits than its factorization.

52648644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22475 (or 22473 counting only the distinct ones).

The product of its digits is 184320, while the sum is 39.

The square root of 52648644 is about 7255.9385333670. The cubic root of 52648644 is about 374.7966755555.

The spelling of 52648644 in words is "fifty-two million, six hundred forty-eight thousand, six hundred forty-four".