56128996429 has 8 divisors (see below), whose sum is σ = 61272828288. Its totient is φ = 50992030560.

The previous prime is 56128996421. The next prime is 56128996477. The reversal of 56128996429 is 92469982165.

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 56128996429 - 2³ = 56128996421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56128996421) 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, 1699392 + ... + 1732105.

It is an arithmetic number, because the mean of its divisors is an integer number (7659103536).

Almost surely, 2^56128996429 is an apocalyptic number.

It is an amenable number.

56128996429 is a deficient number, since it is larger than the sum of its proper divisors (5143831859).

56128996429 is a wasteful number, since it uses less digits than its factorization.

56128996429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3432995.

The product of its digits is 16796160, while the sum is 61.

The spelling of 56128996429 in words is "fifty-six billion, one hundred twenty-eight million, nine hundred ninety-six thousand, four hundred twenty-nine".