56900077 has 4 divisors (see below), whose sum is σ = 61277020. Its totient is φ = 52523136.

The previous prime is 56900029. The next prime is 56900083. The reversal of 56900077 is 77000965.

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 13682601 + 43217476 = 3699^2 + 6574^2 .

It is a cyclic number.

It is not a de Polignac number, because 56900077 - 2⁷ = 56899949 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 (56900177) 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, 2188452 + ... + 2188477.

It is an arithmetic number, because the mean of its divisors is an integer number (15319255).

Almost surely, 2^56900077 is an apocalyptic number.

It is an amenable number.

56900077 is a deficient number, since it is larger than the sum of its proper divisors (4376943).

56900077 is a wasteful number, since it uses less digits than its factorization.

56900077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4376942.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 56900077 is about 7543.2139701854. The cubic root of 56900077 is about 384.6250963384.

The spelling of 56900077 in words is "fifty-six million, nine hundred thousand, seventy-seven".