52974399 has 16 divisors (see below), whose sum is σ = 71677440. Its totient is φ = 34797600.

The previous prime is 52974379. The next prime is 52974407. The reversal of 52974399 is 99347925.

It is not a de Polignac number, because 52974399 - 2⁸ = 52974143 is a prime.

It is a super-2 number, since 2×52974399² = 5612573898822402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52974349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108534 + ... + 109020.

It is an arithmetic number, because the mean of its divisors is an integer number (4479840).

Almost surely, 2^52974399 is an apocalyptic number.

52974399 is a deficient number, since it is larger than the sum of its proper divisors (18703041).

52974399 is a wasteful number, since it uses less digits than its factorization.

52974399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950.

The product of its digits is 612360, while the sum is 48.

The square root of 52974399 is about 7278.3513930010. The cubic root of 52974399 is about 375.5680847558.

The spelling of 52974399 in words is "fifty-two million, nine hundred seventy-four thousand, three hundred ninety-nine".