52438023 has 40 divisors (see below), whose sum is σ = 86161680. Its totient is φ = 31518720.

The previous prime is 52438007. The next prime is 52438031. The reversal of 52438023 is 32083425.

It is not a de Polignac number, because 52438023 - 2⁴ = 52438007 is a prime.

It is a super-2 number, since 2×52438023² = 5499492512297058, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52438033) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 203911 + ... + 204167.

It is an arithmetic number, because the mean of its divisors is an integer number (2154042).

Almost surely, 2^52438023 is an apocalyptic number.

52438023 is a deficient number, since it is larger than the sum of its proper divisors (33723657).

52438023 is a wasteful number, since it uses less digits than its factorization.

52438023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 52438023 is about 7241.4102908204. The cubic root of 52438023 is about 374.2962159945.

The spelling of 52438023 in words is "fifty-two million, four hundred thirty-eight thousand, twenty-three".