56473477 has 2 divisors, whose sum is σ = 56473478. Its totient is φ = 56473476.

The previous prime is 56473463. The next prime is 56473481. The reversal of 56473477 is 77437465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52287361 + 4186116 = 7231^2 + 2046^2 .

It is a cyclic number.

It is not a de Polignac number, because 56473477 - 2¹⁹ = 55949189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56473427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28236738 + 28236739.

It is an arithmetic number, because the mean of its divisors is an integer number (28236739).

Almost surely, 2^56473477 is an apocalyptic number.

It is an amenable number.

56473477 is a deficient number, since it is larger than the sum of its proper divisors (1).

56473477 is an equidigital number, since it uses as much as digits as its factorization.

56473477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 493920, while the sum is 43.

The square root of 56473477 is about 7514.8836983682. The cubic root of 56473477 is about 383.6614606150.

The spelling of 56473477 in words is "fifty-six million, four hundred seventy-three thousand, four hundred seventy-seven".