56249243 has 8 divisors (see below), whose sum is σ = 60568560. Its totient is φ = 52042240.

The previous prime is 56249239. The next prime is 56249257. The reversal of 56249243 is 34294265.

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 56249243 - 2² = 56249239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56249273) 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, 27038 + ... + 29043.

It is an arithmetic number, because the mean of its divisors is an integer number (7571070).

Almost surely, 2^56249243 is an apocalyptic number.

56249243 is a deficient number, since it is larger than the sum of its proper divisors (4319317).

56249243 is a wasteful number, since it uses less digits than its factorization.

56249243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56157.

The product of its digits is 51840, while the sum is 35.

The square root of 56249243 is about 7499.9495331635. The cubic root of 56249243 is about 383.1529973854.

The spelling of 56249243 in words is "fifty-six million, two hundred forty-nine thousand, two hundred forty-three".