56690499 has 4 divisors (see below), whose sum is σ = 75587336. Its totient is φ = 37793664.

The previous prime is 56690497. The next prime is 56690503. The reversal of 56690499 is 99409665.

It is a happy number.

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

It is not a de Polignac number, because 56690499 - 2¹ = 56690497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56690497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9448414 + ... + 9448419.

It is an arithmetic number, because the mean of its divisors is an integer number (18896834).

Almost surely, 2^56690499 is an apocalyptic number.

56690499 is a deficient number, since it is larger than the sum of its proper divisors (18896837).

56690499 is a wasteful number, since it uses less digits than its factorization.

56690499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18896836.

The product of its (nonzero) digits is 524880, while the sum is 48.

The square root of 56690499 is about 7529.3093308749. The cubic root of 56690499 is about 384.1522901271.

The spelling of 56690499 in words is "fifty-six million, six hundred ninety thousand, four hundred ninety-nine".