52510394 has 4 divisors (see below), whose sum is σ = 78765594. Its totient is φ = 26255196.

The previous prime is 52510391. The next prime is 52510397. The reversal of 52510394 is 49301525.

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

It is an interprime number because it is at equal distance from previous prime (52510391) and next prime (52510397).

It can be written as a sum of positive squares in only one way, i.e., 52027369 + 483025 = 7213^2 + 695^2 .

It is not an unprimeable number, because it can be changed into a prime (52510391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13127597 + ... + 13127600.

Almost surely, 2^52510394 is an apocalyptic number.

52510394 is a deficient number, since it is larger than the sum of its proper divisors (26255200).

52510394 is a wasteful number, since it uses less digits than its factorization.

52510394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26255199.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 52510394 is about 7246.4055917399. The cubic root of 52510394 is about 374.4683286318.

The spelling of 52510394 in words is "fifty-two million, five hundred ten thousand, three hundred ninety-four".