56782499 has 12 divisors (see below), whose sum is σ = 61655832. Its totient is φ = 52112640.

The previous prime is 56782459. The next prime is 56782501. The reversal of 56782499 is 99428765.

It is a happy number.

It is not a de Polignac number, because 56782499 - 2¹⁶ = 56716963 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 (56782409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27584 + ... + 29570.

It is an arithmetic number, because the mean of its divisors is an integer number (5137986).

Almost surely, 2^56782499 is an apocalyptic number.

56782499 is a deficient number, since it is larger than the sum of its proper divisors (4873333).

56782499 is a wasteful number, since it uses less digits than its factorization.

56782499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086 (or 2045 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The square root of 56782499 is about 7535.4163123214. The cubic root of 56782499 is about 384.3599845986.

The spelling of 56782499 in words is "fifty-six million, seven hundred eighty-two thousand, four hundred ninety-nine".