56447492 has 12 divisors (see below), whose sum is σ = 98948556. Its totient is φ = 28176480.

The previous prime is 56447477. The next prime is 56447513. The reversal of 56447492 is 29474465.

It can be written as a sum of positive squares in 2 ways, for example, as 2483776 + 53963716 = 1576^2 + 7346^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9059 + ... + 13962.

It is an arithmetic number, because the mean of its divisors is an integer number (8245713).

Almost surely, 2^56447492 is an apocalyptic number.

It is an amenable number.

56447492 is a deficient number, since it is larger than the sum of its proper divisors (42501064).

56447492 is a wasteful number, since it uses less digits than its factorization.

56447492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23638 (or 23636 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 56447492 is about 7513.1545971050. The cubic root of 56447492 is about 383.6026071906.

The spelling of 56447492 in words is "fifty-six million, four hundred forty-seven thousand, four hundred ninety-two".