56090777 has 2 divisors, whose sum is σ = 56090778. Its totient is φ = 56090776.

The previous prime is 56090773. The next prime is 56090807. The reversal of 56090777 is 77709065.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42133081 + 13957696 = 6491^2 + 3736^2 .

It is a cyclic number.

It is not a de Polignac number, because 56090777 - 2² = 56090773 is a prime.

It is not a weakly prime, because it can be changed into another prime (56090773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28045388 + 28045389.

It is an arithmetic number, because the mean of its divisors is an integer number (28045389).

Almost surely, 2^56090777 is an apocalyptic number.

It is an amenable number.

56090777 is a deficient number, since it is larger than the sum of its proper divisors (1).

56090777 is an equidigital number, since it uses as much as digits as its factorization.

56090777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92610, while the sum is 41.

The square root of 56090777 is about 7489.3776109901. The cubic root of 56090777 is about 382.7928513264.

The spelling of 56090777 in words is "fifty-six million, ninety thousand, seven hundred seventy-seven".