56893477 has 2 divisors, whose sum is σ = 56893478. Its totient is φ = 56893476.

The previous prime is 56893451. The next prime is 56893481. The reversal of 56893477 is 77439865.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47320641 + 9572836 = 6879^2 + 3094^2 .

It is a cyclic number.

It is not a de Polignac number, because 56893477 - 2⁷ = 56893349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56893477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56893427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28446738 + 28446739.

It is an arithmetic number, because the mean of its divisors is an integer number (28446739).

Almost surely, 2^56893477 is an apocalyptic number.

It is an amenable number.

56893477 is a deficient number, since it is larger than the sum of its proper divisors (1).

56893477 is an equidigital number, since it uses as much as digits as its factorization.

56893477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 49.

The square root of 56893477 is about 7542.7764781942. The cubic root of 56893477 is about 384.6102245144.

The spelling of 56893477 in words is "fifty-six million, eight hundred ninety-three thousand, four hundred seventy-seven".