56001857951 has 8 divisors (see below), whose sum is σ = 60987331440. Its totient is φ = 51113189952.

The previous prime is 56001857903. The next prime is 56001857959. The reversal of 56001857951 is 15975810065.

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 56001857951 - 2⁶ = 56001857887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56001857896 and 56001857905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56001857959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24200165 + ... + 24202478.

It is an arithmetic number, because the mean of its divisors is an integer number (7623416430).

Almost surely, 2^56001857951 is an apocalyptic number.

56001857951 is a deficient number, since it is larger than the sum of its proper divisors (4985473489).

56001857951 is a wasteful number, since it uses less digits than its factorization.

56001857951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48402745.

The product of its (nonzero) digits is 378000, while the sum is 47.

The spelling of 56001857951 in words is "fifty-six billion, one million, eight hundred fifty-seven thousand, nine hundred fifty-one".