56457472 has 18 divisors (see below), whose sum is σ = 112694918. Its totient is φ = 28228608.

The previous prime is 56457437. The next prime is 56457473. The reversal of 56457472 is 27475465.

It can be written as a sum of positive squares in only one way, i.e., 56310016 + 147456 = 7504^2 + 384^2 .

It is a super-2 number, since 2×56457472² = 6374892289261568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56457473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110013 + ... + 110524.

Almost surely, 2^56457472 is an apocalyptic number.

It is an amenable number.

56457472 is a deficient number, since it is larger than the sum of its proper divisors (56237446).

56457472 is an equidigital number, since it uses as much as digits as its factorization.

56457472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220553 (or 220539 counting only the distinct ones).

The product of its digits is 235200, while the sum is 40.

The square root of 56457472 is about 7513.8187361687. The cubic root of 56457472 is about 383.6252130277.

The spelling of 56457472 in words is "fifty-six million, four hundred fifty-seven thousand, four hundred seventy-two".