56492509 has 8 divisors (see below), whose sum is σ = 58919168. Its totient is φ = 54103680.

The previous prime is 56492503. The next prime is 56492537. The reversal of 56492509 is 90529465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56492509 - 2²³ = 48103901 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 (56492503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6387 + ... + 12400.

It is an arithmetic number, because the mean of its divisors is an integer number (7364896).

Almost surely, 2^56492509 is an apocalyptic number.

It is an amenable number.

56492509 is a deficient number, since it is larger than the sum of its proper divisors (2426659).

56492509 is a wasteful number, since it uses less digits than its factorization.

56492509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18915.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 56492509 is about 7516.1498787611. The cubic root of 56492509 is about 383.7045547375.

The spelling of 56492509 in words is "fifty-six million, four hundred ninety-two thousand, five hundred nine".