56372417 has 4 divisors (see below), whose sum is σ = 57747396. Its totient is φ = 54997440.

The previous prime is 56372413. The next prime is 56372419. The reversal of 56372417 is 71427365.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1256641 + 55115776 = 1121^2 + 7424^2 .

It is a cyclic number.

It is not a de Polignac number, because 56372417 - 2² = 56372413 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56372413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687428 + ... + 687509.

It is an arithmetic number, because the mean of its divisors is an integer number (14436849).

Almost surely, 2^56372417 is an apocalyptic number.

It is an amenable number.

56372417 is a deficient number, since it is larger than the sum of its proper divisors (1374979).

56372417 is a wasteful number, since it uses less digits than its factorization.

56372417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374978.

The product of its digits is 35280, while the sum is 35.

The square root of 56372417 is about 7508.1566978853. The cubic root of 56372417 is about 383.4324682901.

The spelling of 56372417 in words is "fifty-six million, three hundred seventy-two thousand, four hundred seventeen".