56750741 has 4 divisors (see below), whose sum is σ = 57271500. Its totient is φ = 56229984.

The previous prime is 56750731. The next prime is 56750791. The reversal of 56750741 is 14705765.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18879025 + 37871716 = 4345^2 + 6154^2 .

It is a cyclic number.

It is not a de Polignac number, because 56750741 - 2²² = 52556437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56750731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260216 + ... + 260433.

It is an arithmetic number, because the mean of its divisors is an integer number (14317875).

Almost surely, 2^56750741 is an apocalyptic number.

It is an amenable number.

56750741 is a deficient number, since it is larger than the sum of its proper divisors (520759).

56750741 is a wasteful number, since it uses less digits than its factorization.

56750741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520758.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 56750741 is about 7533.3087683965. The cubic root of 56750741 is about 384.2883147415.

The spelling of 56750741 in words is "fifty-six million, seven hundred fifty thousand, seven hundred forty-one".