56297787 has 48 divisors (see below), whose sum is σ = 96272640. Its totient is φ = 28619136.

The previous prime is 56297777. The next prime is 56297789. The reversal of 56297787 is 78779265.

It is not a de Polignac number, because 56297787 - 2⁶ = 56297723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56297789) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 102648 + ... + 103194.

It is an arithmetic number, because the mean of its divisors is an integer number (2005680).

Almost surely, 2^56297787 is an apocalyptic number.

56297787 is a deficient number, since it is larger than the sum of its proper divisors (39974853).

56297787 is a wasteful number, since it uses less digits than its factorization.

56297787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 599 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 51.

The square root of 56297787 is about 7503.1851236658. The cubic root of 56297787 is about 383.2631880892.

The spelling of 56297787 in words is "fifty-six million, two hundred ninety-seven thousand, seven hundred eighty-seven".