56449087215 has 16 divisors (see below), whose sum is σ = 90356339808. Its totient is φ = 30093579776.

The previous prime is 56449087213. The next prime is 56449087217. The reversal of 56449087215 is 51278094465.

It is an interprime number because it is at equal distance from previous prime (56449087213) and next prime (56449087217).

It is a cyclic number.

It is not a de Polignac number, because 56449087215 - 2¹ = 56449087213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56449087213) 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 15 ways as a sum of consecutive naturals, for example, 750414 + ... + 822203.

It is an arithmetic number, because the mean of its divisors is an integer number (5647271238).

Almost surely, 2^56449087215 is an apocalyptic number.

56449087215 is a deficient number, since it is larger than the sum of its proper divisors (33907252593).

56449087215 is a wasteful number, since it uses less digits than its factorization.

56449087215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575018.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 56449087215 in words is "fifty-six billion, four hundred forty-nine million, eighty-seven thousand, two hundred fifteen".