56604121 has 8 divisors (see below), whose sum is σ = 66067200. Its totient is φ = 47485248.

The previous prime is 56604113. The next prime is 56604131. The reversal of 56604121 is 12140665.

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 56604121 - 2³ = 56604113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56604131) 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, 85696 + ... + 86353.

It is an arithmetic number, because the mean of its divisors is an integer number (8258400).

Almost surely, 2^56604121 is an apocalyptic number.

It is an amenable number.

56604121 is a deficient number, since it is larger than the sum of its proper divisors (9463079).

56604121 is a wasteful number, since it uses less digits than its factorization.

56604121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172103.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 56604121 is about 7523.5710271121. The cubic root of 56604121 is about 383.9570829677.

Adding to 56604121 its reverse (12140665), we get a palindrome (68744786).

The spelling of 56604121 in words is "fifty-six million, six hundred four thousand, one hundred twenty-one".