52772940 has 108 divisors (see below), whose sum is σ = 176026032. Its totient is φ = 12788160.

The previous prime is 52772917. The next prime is 52772983. The reversal of 52772940 is 4927725.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 52772895 and 52772904.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20569 + ... + 22991.

Almost surely, 2^52772940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52772940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88013016).

52772940 is an abundant number, since it is smaller than the sum of its proper divisors (123253092).

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

52772940 is a wasteful number, since it uses less digits than its factorization.

52772940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460 (or 2444 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 52772940 is about 7264.4986062357. The cubic root of 52772940 is about 375.0913910587.

The spelling of 52772940 in words is "fifty-two million, seven hundred seventy-two thousand, nine hundred forty".