57478963 has 2 divisors, whose sum is σ = 57478964. Its totient is φ = 57478962.

The previous prime is 57478951. The next prime is 57478969. The reversal of 57478963 is 36987475.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57478963 - 2⁹ = 57478451 is a prime.

It is not a weakly prime, because it can be changed into another prime (57478969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28739481 + 28739482.

It is an arithmetic number, because the mean of its divisors is an integer number (28739482).

Almost surely, 2^57478963 is an apocalyptic number.

57478963 is a deficient number, since it is larger than the sum of its proper divisors (1).

57478963 is an equidigital number, since it uses as much as digits as its factorization.

57478963 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 57478963 is about 7581.4881784515. The cubic root of 57478963 is about 385.9250550266.

The spelling of 57478963 in words is "fifty-seven million, four hundred seventy-eight thousand, nine hundred sixty-three".