56299121 has 8 divisors (see below), whose sum is σ = 61666920. Its totient is φ = 51159808.

The previous prime is 56299097. The next prime is 56299123. The reversal of 56299121 is 12199265.

It can be written as a sum of positive squares in 4 ways, for example, as 22193521 + 34105600 = 4711^2 + 5840^2 .

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 56299121 - 2⁶ = 56299057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56299123) 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, 56606 + ... + 57591.

It is an arithmetic number, because the mean of its divisors is an integer number (7708365).

Almost surely, 2^56299121 is an apocalyptic number.

It is an amenable number.

56299121 is a deficient number, since it is larger than the sum of its proper divisors (5367799).

56299121 is a wasteful number, since it uses less digits than its factorization.

56299121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114243.

The product of its digits is 9720, while the sum is 35.

The square root of 56299121 is about 7503.2740187201. The cubic root of 56299121 is about 383.2662152601.

It can be divided in two parts, 562991 and 21, that multiplied together give a palindrome (11822811).

The spelling of 56299121 in words is "fifty-six million, two hundred ninety-nine thousand, one hundred twenty-one".