56514121 has 4 divisors (see below), whose sum is σ = 57440644. Its totient is φ = 55587600.

The previous prime is 56514109. The next prime is 56514131. The reversal of 56514121 is 12141565.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12141565 = 5 ⋅2428313.

It can be written as a sum of positive squares in 2 ways, for example, as 14523721 + 41990400 = 3811^2 + 6480^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56514121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56514131) 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, 463170 + ... + 463291.

It is an arithmetic number, because the mean of its divisors is an integer number (14360161).

Almost surely, 2^56514121 is an apocalyptic number.

It is an amenable number.

56514121 is a deficient number, since it is larger than the sum of its proper divisors (926523).

56514121 is an equidigital number, since it uses as much as digits as its factorization.

56514121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926522.

The product of its digits is 1200, while the sum is 25.

The square root of 56514121 is about 7517.5874454508. The cubic root of 56514121 is about 383.7534790151.

Adding to 56514121 its reverse (12141565), we get a palindrome (68655686).

The spelling of 56514121 in words is "fifty-six million, five hundred fourteen thousand, one hundred twenty-one".