56499025147 has 4 divisors (see below), whose sum is σ = 57425238736. Its totient is φ = 55572811560.

The previous prime is 56499025133. The next prime is 56499025151. The reversal of 56499025147 is 74152099465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56499025147 is a prime.

It is a super-2 number, since 2×56499025147² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56499025094 and 56499025103.

It is not an unprimeable number, because it can be changed into a prime (56499025127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463106703 + ... + 463106824.

It is an arithmetic number, because the mean of its divisors is an integer number (14356309684).

Almost surely, 2^56499025147 is an apocalyptic number.

56499025147 is a deficient number, since it is larger than the sum of its proper divisors (926213589).

56499025147 is an equidigital number, since it uses as much as digits as its factorization.

56499025147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926213588.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 56499025147 in words is "fifty-six billion, four hundred ninety-nine million, twenty-five thousand, one hundred forty-seven".