56004251 has 4 divisors (see below), whose sum is σ = 56102904. Its totient is φ = 55905600.

The previous prime is 56004217. The next prime is 56004281. The reversal of 56004251 is 15240065.

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

It is a cyclic number.

It is not a de Polignac number, because 56004251 - 2⁶ = 56004187 is a prime.

It is a super-2 number, since 2×56004251² = 6272952260142002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56004281) 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, 48470 + ... + 49611.

It is an arithmetic number, because the mean of its divisors is an integer number (14025726).

Almost surely, 2^56004251 is an apocalyptic number.

56004251 is a deficient number, since it is larger than the sum of its proper divisors (98653).

56004251 is an equidigital number, since it uses as much as digits as its factorization.

56004251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98652.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 56004251 is about 7483.5988000427. The cubic root of 56004251 is about 382.5959171077.

The spelling of 56004251 in words is "fifty-six million, four thousand, two hundred fifty-one".