56474399 has 2 divisors, whose sum is σ = 56474400. Its totient is φ = 56474398.

The previous prime is 56474393. The next prime is 56474413. The reversal of 56474399 is 99347465.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56474399 is a prime.

It is a super-2 number, since 2×56474399² = 6378715484822402, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56474393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28237199 + 28237200.

It is an arithmetic number, because the mean of its divisors is an integer number (28237200).

Almost surely, 2^56474399 is an apocalyptic number.

56474399 is a deficient number, since it is larger than the sum of its proper divisors (1).

56474399 is an equidigital number, since it uses as much as digits as its factorization.

56474399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 47.

The square root of 56474399 is about 7514.9450430459. The cubic root of 56474399 is about 383.6635485210.

The spelling of 56474399 in words is "fifty-six million, four hundred seventy-four thousand, three hundred ninety-nine".