52722768 has 40 divisors (see below), whose sum is σ = 155658688. Its totient is φ = 15063552.

The previous prime is 52722751. The next prime is 52722809. The reversal of 52722768 is 86722725.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78121 + ... + 78792.

Almost surely, 2^52722768 is an apocalyptic number.

It is an amenable number.

52722768 is an abundant number, since it is smaller than the sum of its proper divisors (102935920).

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

52722768 is a wasteful number, since it uses less digits than its factorization.

52722768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156931 (or 156925 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

The square root of 52722768 is about 7261.0445529552. The cubic root of 52722768 is about 374.9724850923.

The spelling of 52722768 in words is "fifty-two million, seven hundred twenty-two thousand, seven hundred sixty-eight".