56696351 has 4 divisors (see below), whose sum is σ = 56763672. Its totient is φ = 56629032.

The previous prime is 56696329. The next prime is 56696359. The reversal of 56696351 is 15369665.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15369665 = 5 ⋅3073933.

It is a cyclic number.

It is not a de Polignac number, because 56696351 - 2¹⁸ = 56434207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56696299 and 56696308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56696359) 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, 32381 + ... + 34086.

It is an arithmetic number, because the mean of its divisors is an integer number (14190918).

Almost surely, 2^56696351 is an apocalyptic number.

56696351 is a deficient number, since it is larger than the sum of its proper divisors (67321).

56696351 is an equidigital number, since it uses as much as digits as its factorization.

56696351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67320.

The product of its digits is 145800, while the sum is 41.

The square root of 56696351 is about 7529.6979355084. The cubic root of 56696351 is about 384.1655079907.

The spelling of 56696351 in words is "fifty-six million, six hundred ninety-six thousand, three hundred fifty-one".