56577234121 has 8 divisors (see below), whose sum is σ = 56636213184. Its totient is φ = 56518289520.

The previous prime is 56577234071. The next prime is 56577234127. The reversal of 56577234121 is 12143277565.

It is a happy number.

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 56577234121 - 2²⁹ = 56040363209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56577234127) 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, 4331226 + ... + 4344268.

It is an arithmetic number, because the mean of its divisors is an integer number (7079526648).

Almost surely, 2^56577234121 is an apocalyptic number.

It is an amenable number.

56577234121 is a deficient number, since it is larger than the sum of its proper divisors (58979063).

56577234121 is a wasteful number, since it uses less digits than its factorization.

56577234121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17231.

The product of its digits is 352800, while the sum is 43.

The spelling of 56577234121 in words is "fifty-six billion, five hundred seventy-seven million, two hundred thirty-four thousand, one hundred twenty-one".