56651015901 has 8 divisors (see below), whose sum is σ = 75545769600. Its totient is φ = 37761803072.

The previous prime is 56651015887. The next prime is 56651015947. The reversal of 56651015901 is 10951015665.

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 56651015901 - 2¹⁰ = 56651014877 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56651015901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56651025901) 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, 1361301 + ... + 1402298.

It is an arithmetic number, because the mean of its divisors is an integer number (9443221200).

Almost surely, 2^56651015901 is an apocalyptic number.

It is an amenable number.

56651015901 is a deficient number, since it is larger than the sum of its proper divisors (18894753699).

56651015901 is a wasteful number, since it uses less digits than its factorization.

56651015901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770435.

The product of its (nonzero) digits is 40500, while the sum is 39.

The spelling of 56651015901 in words is "fifty-six billion, six hundred fifty-one million, fifteen thousand, nine hundred one".