56698312 has 64 divisors (see below), whose sum is σ = 122601600. Its totient is φ = 24330240.

The previous prime is 56698267. The next prime is 56698321. The reversal of 56698312 is 21389665.

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 15 ways as a sum of consecutive naturals, for example, 220488 + ... + 220744.

It is an arithmetic number, because the mean of its divisors is an integer number (1915650).

Almost surely, 2^56698312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56698312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61300800).

56698312 is an abundant number, since it is smaller than the sum of its proper divisors (65903288).

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

56698312 is a wasteful number, since it uses less digits than its factorization.

56698312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 402 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 56698312 is about 7529.8281520895. The cubic root of 56698312 is about 384.1699370816.

The spelling of 56698312 in words is "fifty-six million, six hundred ninety-eight thousand, three hundred twelve".