56329691 has 8 divisors (see below), whose sum is σ = 64122624. Its totient is φ = 48982120.

The previous prime is 56329681. The next prime is 56329711. The reversal of 56329691 is 19692365.

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

It is a de Polignac number, because none of the positive numbers 2^k-56329691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56329681) 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, 111071 + ... + 111576.

It is an arithmetic number, because the mean of its divisors is an integer number (8015328).

Almost surely, 2^56329691 is an apocalyptic number.

56329691 is a deficient number, since it is larger than the sum of its proper divisors (7792933).

56329691 is a wasteful number, since it uses less digits than its factorization.

56329691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222681.

The product of its digits is 87480, while the sum is 41.

The square root of 56329691 is about 7505.3108529894. The cubic root of 56329691 is about 383.3355729338.

The spelling of 56329691 in words is "fifty-six million, three hundred twenty-nine thousand, six hundred ninety-one".