52772431 has 4 divisors (see below), whose sum is σ = 54592200. Its totient is φ = 50952664.

The previous prime is 52772429. The next prime is 52772449. The reversal of 52772431 is 13427725.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52772431 - 2¹ = 52772429 is a prime.

It is a super-2 number, since 2×52772431² = 5569858947299522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52772393 and 52772402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52772231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909841 + ... + 909898.

It is an arithmetic number, because the mean of its divisors is an integer number (13648050).

Almost surely, 2^52772431 is an apocalyptic number.

52772431 is a deficient number, since it is larger than the sum of its proper divisors (1819769).

52772431 is a wasteful number, since it uses less digits than its factorization.

52772431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819768.

The product of its digits is 11760, while the sum is 31.

The square root of 52772431 is about 7264.4635727630. The cubic root of 52772431 is about 375.0901851241.

The spelling of 52772431 in words is "fifty-two million, seven hundred seventy-two thousand, four hundred thirty-one".