52722480 has 40 divisors (see below), whose sum is σ = 163440432. Its totient is φ = 14059264.

The previous prime is 52722479. The next prime is 52722487. The reversal of 52722480 is 8422725.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (52722487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109599 + ... + 110078.

Almost surely, 2^52722480 is an apocalyptic number.

It is an amenable number.

52722480 is an abundant number, since it is smaller than the sum of its proper divisors (110717952).

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

52722480 is a wasteful number, since it uses less digits than its factorization.

52722480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219693 (or 219687 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 52722480 is about 7261.0247210707. The cubic root of 52722480 is about 374.9718023242.

The spelling of 52722480 in words is "fifty-two million, seven hundred twenty-two thousand, four hundred eighty".