56783397 has 8 divisors (see below), whose sum is σ = 82594080. Its totient is φ = 34414160.

The previous prime is 56783387. The next prime is 56783407. The reversal of 56783397 is 79338765.

It is an interprime number because it is at equal distance from previous prime (56783387) and next prime (56783407).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56783397 - 2⁸ = 56783141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56783387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860322 + ... + 860387.

It is an arithmetic number, because the mean of its divisors is an integer number (10324260).

Almost surely, 2^56783397 is an apocalyptic number.

It is an amenable number.

56783397 is a deficient number, since it is larger than the sum of its proper divisors (25810683).

56783397 is a wasteful number, since it uses less digits than its factorization.

56783397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720723.

The product of its digits is 952560, while the sum is 48.

The square root of 56783397 is about 7535.4758973803. The cubic root of 56783397 is about 384.3620107713.

The spelling of 56783397 in words is "fifty-six million, seven hundred eighty-three thousand, three hundred ninety-seven".