56002251 has 4 divisors (see below), whose sum is σ = 74669672. Its totient is φ = 37334832.

The previous prime is 56002237. The next prime is 56002279. The reversal of 56002251 is 15220065.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 56002251 - 2⁷ = 56002123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56002651) 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, 9333706 + ... + 9333711.

It is an arithmetic number, because the mean of its divisors is an integer number (18667418).

Almost surely, 2^56002251 is an apocalyptic number.

56002251 is a deficient number, since it is larger than the sum of its proper divisors (18667421).

56002251 is a wasteful number, since it uses less digits than its factorization.

56002251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18667420.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 56002251 is about 7483.4651733004. The cubic root of 56002251 is about 382.5913626859.

The spelling of 56002251 in words is "fifty-six million, two thousand, two hundred fifty-one".