52620493 has 4 divisors (see below), whose sum is σ = 52825500. Its totient is φ = 52415488.

The previous prime is 52620461. The next prime is 52620497. The reversal of 52620493 is 39402625.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49533444 + 3087049 = 7038^2 + 1757^2 .

It is a cyclic number.

It is not a de Polignac number, because 52620493 - 2⁵ = 52620461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52620497) 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, 102118 + ... + 102631.

It is an arithmetic number, because the mean of its divisors is an integer number (13206375).

Almost surely, 2^52620493 is an apocalyptic number.

It is an amenable number.

52620493 is a deficient number, since it is larger than the sum of its proper divisors (205007).

52620493 is a wasteful number, since it uses less digits than its factorization.

52620493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205006.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 52620493 is about 7253.9984146676. The cubic root of 52620493 is about 374.7298629308.

The spelling of 52620493 in words is "fifty-two million, six hundred twenty thousand, four hundred ninety-three".