52790807 has 4 divisors (see below), whose sum is σ = 52840200. Its totient is φ = 52741416.

The previous prime is 52790791. The next prime is 52790813. The reversal of 52790807 is 70809725.

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

It is a cyclic number.

It is not a de Polignac number, because 52790807 - 2⁴ = 52790791 is a prime.

It is a super-2 number, since 2×52790807² = 5573738607422498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52790867) 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, 23057 + ... + 25242.

It is an arithmetic number, because the mean of its divisors is an integer number (13210050).

Almost surely, 2^52790807 is an apocalyptic number.

52790807 is a deficient number, since it is larger than the sum of its proper divisors (49393).

52790807 is a wasteful number, since it uses less digits than its factorization.

52790807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49392.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 52790807 is about 7265.7282498040. The cubic root of 52790807 is about 375.1337170544.

The spelling of 52790807 in words is "fifty-two million, seven hundred ninety thousand, eight hundred seven".