56249791490 has 16 divisors (see below), whose sum is σ = 101252348352. Its totient is φ = 22499311344.

The previous prime is 56249791489. The next prime is 56249791511. The reversal of 56249791490 is 9419794265.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614267 + ... + 699873.

It is an arithmetic number, because the mean of its divisors is an integer number (6328271772).

Almost surely, 2^56249791490 is an apocalyptic number.

56249791490 is a deficient number, since it is larger than the sum of its proper divisors (45002556862).

56249791490 is a wasteful number, since it uses less digits than its factorization.

56249791490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151321.

The product of its (nonzero) digits is 4898880, while the sum is 56.

The spelling of 56249791490 in words is "fifty-six billion, two hundred forty-nine million, seven hundred ninety-one thousand, four hundred ninety".