56574461 has 2 divisors, whose sum is σ = 56574462. Its totient is φ = 56574460.

The previous prime is 56574421. The next prime is 56574499. The reversal of 56574461 is 16447565.

It is an a-pointer prime, because the next prime (56574499) can be obtained adding 56574461 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36602500 + 19971961 = 6050^2 + 4469^2 .

It is a cyclic number.

It is not a de Polignac number, because 56574461 - 2¹⁸ = 56312317 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56574421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28287230 + 28287231.

It is an arithmetic number, because the mean of its divisors is an integer number (28287231).

Almost surely, 2^56574461 is an apocalyptic number.

It is an amenable number.

56574461 is a deficient number, since it is larger than the sum of its proper divisors (1).

56574461 is an equidigital number, since it uses as much as digits as its factorization.

56574461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 38.

The square root of 56574461 is about 7521.5996303978. The cubic root of 56574461 is about 383.8900080118.

The spelling of 56574461 in words is "fifty-six million, five hundred seventy-four thousand, four hundred sixty-one".