56221253 has 8 divisors (see below), whose sum is σ = 62759136. Its totient is φ = 49921200.

The previous prime is 56221213. The next prime is 56221273. The reversal of 56221253 is 35212265.

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 56221253 - 2⁶ = 56221189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56221213) 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, 58958 + ... + 59903.

It is an arithmetic number, because the mean of its divisors is an integer number (7844892).

Almost surely, 2^56221253 is an apocalyptic number.

It is an amenable number.

56221253 is a deficient number, since it is larger than the sum of its proper divisors (6537883).

56221253 is a wasteful number, since it uses less digits than its factorization.

56221253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118915.

The product of its digits is 3600, while the sum is 26.

The square root of 56221253 is about 7498.0832884144. The cubic root of 56221253 is about 383.0894336752.

It can be divided in two parts, 562212 and 53, that added together give a palindrome (562265).

The spelling of 56221253 in words is "fifty-six million, two hundred twenty-one thousand, two hundred fifty-three".