56289129 has 8 divisors (see below), whose sum is σ = 80825472. Its totient is φ = 34639440.

The previous prime is 56289097. The next prime is 56289133. The reversal of 56289129 is 92198265.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56289129 - 2⁵ = 56289097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56282129) 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, 721617 + ... + 721694.

It is an arithmetic number, because the mean of its divisors is an integer number (10103184).

Almost surely, 2^56289129 is an apocalyptic number.

It is an amenable number.

56289129 is a deficient number, since it is larger than the sum of its proper divisors (24536343).

56289129 is a wasteful number, since it uses less digits than its factorization.

56289129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443327.

The product of its digits is 77760, while the sum is 42.

The square root of 56289129 is about 7502.6081465048. The cubic root of 56289129 is about 383.2435398166.

The spelling of 56289129 in words is "fifty-six million, two hundred eighty-nine thousand, one hundred twenty-nine".