56157293 has 8 divisors (see below), whose sum is σ = 59284800. Its totient is φ = 53047008.

The previous prime is 56157287. The next prime is 56157301. The reversal of 56157293 is 39275165.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 56157293 - 2¹² = 56153197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56157223) 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, 2705 + ... + 10937.

It is an arithmetic number, because the mean of its divisors is an integer number (7410600).

Almost surely, 2^56157293 is an apocalyptic number.

It is an amenable number.

56157293 is a deficient number, since it is larger than the sum of its proper divisors (3127507).

56157293 is a wasteful number, since it uses less digits than its factorization.

56157293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8611.

The product of its digits is 56700, while the sum is 38.

The square root of 56157293 is about 7493.8169846881. The cubic root of 56157293 is about 382.9441048986.

The spelling of 56157293 in words is "fifty-six million, one hundred fifty-seven thousand, two hundred ninety-three".