52920499 has 4 divisors (see below), whose sum is σ = 53388936. Its totient is φ = 52452064.

The previous prime is 52920451. The next prime is 52920509. The reversal of 52920499 is 99402925.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52920499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52921499) 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, 234049 + ... + 234274.

It is an arithmetic number, because the mean of its divisors is an integer number (13347234).

Almost surely, 2^52920499 is an apocalyptic number.

52920499 is a deficient number, since it is larger than the sum of its proper divisors (468437).

52920499 is a wasteful number, since it uses less digits than its factorization.

52920499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468436.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 52920499 is about 7274.6476890637. The cubic root of 52920499 is about 375.4406647841.

The spelling of 52920499 in words is "fifty-two million, nine hundred twenty thousand, four hundred ninety-nine".