56783370 has 64 divisors (see below), whose sum is σ = 158423040. Its totient is φ = 12756288.

The previous prime is 56783359. The next prime is 56783387. The reversal of 56783370 is 7338765.

It is a super-2 number, since 2×56783370² = 6448702217113800, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 10099 + ... + 14681.

It is an arithmetic number, because the mean of its divisors is an integer number (2475360).

Almost surely, 2^56783370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56783370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79211520).

56783370 is an abundant number, since it is smaller than the sum of its proper divisors (101639670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56783370 is a wasteful number, since it uses less digits than its factorization.

56783370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4659.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 56783370 is about 7535.4741058543. The cubic root of 56783370 is about 384.3619498511.

The spelling of 56783370 in words is "fifty-six million, seven hundred eighty-three thousand, three hundred seventy".