56981187254 has 8 divisors (see below), whose sum is σ = 88419083760. Its totient is φ = 27508159336.

The previous prime is 56981187247. The next prime is 56981187269. The reversal of 56981187254 is 45278118965.

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

It is a self number, because there is not a number n which added to its sum of digits gives 56981187254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491217074 + ... + 491217189.

It is an arithmetic number, because the mean of its divisors is an integer number (11052385470).

Almost surely, 2^56981187254 is an apocalyptic number.

56981187254 is a deficient number, since it is larger than the sum of its proper divisors (31437896506).

56981187254 is a wasteful number, since it uses less digits than its factorization.

56981187254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982434294.

The product of its digits is 4838400, while the sum is 56.

The spelling of 56981187254 in words is "fifty-six billion, nine hundred eighty-one million, one hundred eighty-seven thousand, two hundred fifty-four".