56749965 has 16 divisors (see below), whose sum is σ = 90930048. Its totient is φ = 30223296.

The previous prime is 56749963. The next prime is 56749967. The reversal of 56749965 is 56994765.

It is an interprime number because it is at equal distance from previous prime (56749963) and next prime (56749967).

It is not a de Polignac number, because 56749965 - 2¹ = 56749963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56749963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10047 + ... + 14643.

It is an arithmetic number, because the mean of its divisors is an integer number (5683128).

Almost surely, 2^56749965 is an apocalyptic number.

It is an amenable number.

56749965 is a deficient number, since it is larger than the sum of its proper divisors (34180083).

56749965 is a wasteful number, since it uses less digits than its factorization.

56749965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5428.

The product of its digits is 2041200, while the sum is 51.

The square root of 56749965 is about 7533.2572636277. The cubic root of 56749965 is about 384.2865631692.

The spelling of 56749965 in words is "fifty-six million, seven hundred forty-nine thousand, nine hundred sixty-five".