56777053 has 4 divisors (see below), whose sum is σ = 56819548. Its totient is φ = 56734560.

The previous prime is 56777051. The next prime is 56777101. The reversal of 56777053 is 35077765.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35077765 = 5 ⋅7015553.

It can be written as a sum of positive squares in 2 ways, for example, as 35736484 + 21040569 = 5978^2 + 4587^2 .

It is a cyclic number.

It is not a de Polignac number, because 56777053 - 2¹ = 56777051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56776997 and 56777015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56777051) 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, 19176 + ... + 21937.

It is an arithmetic number, because the mean of its divisors is an integer number (14204887).

Almost surely, 2^56777053 is an apocalyptic number.

It is an amenable number.

56777053 is a deficient number, since it is larger than the sum of its proper divisors (42495).

56777053 is a wasteful number, since it uses less digits than its factorization.

56777053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42494.

The product of its (nonzero) digits is 154350, while the sum is 40.

The square root of 56777053 is about 7535.0549433962. The cubic root of 56777053 is about 384.3476962384.

The spelling of 56777053 in words is "fifty-six million, seven hundred seventy-seven thousand, fifty-three".