56828461 has 2 divisors, whose sum is σ = 56828462. Its totient is φ = 56828460.

The previous prime is 56828459. The next prime is 56828479. The reversal of 56828461 is 16482865.

56828461 = 5330² + 5331².

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28419561 + 28408900 = 5331^2 + 5330^2 .

It is a cyclic number.

It is not a de Polignac number, because 56828461 - 2¹ = 56828459 is a prime.

Together with 56828459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56828441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28414230 + 28414231.

It is an arithmetic number, because the mean of its divisors is an integer number (28414231).

Almost surely, 2^56828461 is an apocalyptic number.

56828461 is the 5331-st centered square number.

It is an amenable number.

56828461 is a deficient number, since it is larger than the sum of its proper divisors (1).

56828461 is an equidigital number, since it uses as much as digits as its factorization.

56828461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92160, while the sum is 40.

The square root of 56828461 is about 7538.4654273930. The cubic root of 56828461 is about 384.4636620201.

The spelling of 56828461 in words is "fifty-six million, eight hundred twenty-eight thousand, four hundred sixty-one".