56545363149 has 16 divisors (see below), whose sum is σ = 82848156480. Its totient is φ = 34019768960.

The previous prime is 56545363141. The next prime is 56545363157. The reversal of 56545363149 is 94136354565.

It is an interprime number because it is at equal distance from previous prime (56545363141) and next prime (56545363157).

It is a cyclic number.

It is not a de Polignac number, because 56545363149 - 2³ = 56545363141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56545363141) 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, 6249114 + ... + 6258155.

It is an arithmetic number, because the mean of its divisors is an integer number (5178009780).

Almost surely, 2^56545363149 is an apocalyptic number.

It is an amenable number.

56545363149 is a deficient number, since it is larger than the sum of its proper divisors (26302793331).

56545363149 is a wasteful number, since it uses less digits than its factorization.

56545363149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12507420.

The product of its digits is 5832000, while the sum is 51.

The spelling of 56545363149 in words is "fifty-six billion, five hundred forty-five million, three hundred sixty-three thousand, one hundred forty-nine".