52920430 has 16 divisors (see below), whose sum is σ = 95353200. Its totient is φ = 21146752.

The previous prime is 52920421. The next prime is 52920431. The reversal of 52920430 is 3402925.

It is a happy number.

It is a super-2 number, since 2×52920430² = 5601143822769800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52920395 and 52920404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52920431) 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, 11046 + ... + 15094.

It is an arithmetic number, because the mean of its divisors is an integer number (5959575).

Almost surely, 2^52920430 is an apocalyptic number.

52920430 is a deficient number, since it is larger than the sum of its proper divisors (42432770).

52920430 is a wasteful number, since it uses less digits than its factorization.

52920430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5363.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 52920430 is about 7274.6429465645. The cubic root of 52920430 is about 375.4405016122.

The spelling of 52920430 in words is "fifty-two million, nine hundred twenty thousand, four hundred thirty".