56377237 has 16 divisors (see below), whose sum is σ = 68944000. Its totient is φ = 45023040.

The previous prime is 56377207. The next prime is 56377259. The reversal of 56377237 is 73277365.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 56377237 - 2⁷ = 56377109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56377237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56377207) 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, 4639 + ... + 11587.

It is an arithmetic number, because the mean of its divisors is an integer number (4309000).

Almost surely, 2^56377237 is an apocalyptic number.

It is an amenable number.

56377237 is a deficient number, since it is larger than the sum of its proper divisors (12566763).

56377237 is a wasteful number, since it uses less digits than its factorization.

56377237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7036.

The product of its digits is 185220, while the sum is 40.

The square root of 56377237 is about 7508.4776752681. The cubic root of 56377237 is about 383.4433961630.

The spelling of 56377237 in words is "fifty-six million, three hundred seventy-seven thousand, two hundred thirty-seven".