56397448 has 8 divisors (see below), whose sum is σ = 105745230. Its totient is φ = 28198720.

The previous prime is 56397437. The next prime is 56397461. The reversal of 56397448 is 84479365.

It can be written as a sum of positive squares in only one way, i.e., 40220964 + 16176484 = 6342^2 + 4022^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 56397398 and 56397407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3524833 + ... + 3524848.

Almost surely, 2^56397448 is an apocalyptic number.

It is an amenable number.

56397448 is a deficient number, since it is larger than the sum of its proper divisors (49347782).

56397448 is a wasteful number, since it uses less digits than its factorization.

56397448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7049687 (or 7049683 counting only the distinct ones).

The product of its digits is 725760, while the sum is 46.

The square root of 56397448 is about 7509.8234333438. The cubic root of 56397448 is about 383.4892116315.

It can be divided in two parts, 5639744 and 8, that added together give a cube (5639752 = 178³).

The spelling of 56397448 in words is "fifty-six million, three hundred ninety-seven thousand, four hundred forty-eight".