56620451147 has 8 divisors (see below), whose sum is σ = 62126359344. Its totient is φ = 51278898528.

The previous prime is 56620451143. The next prime is 56620451149. The reversal of 56620451147 is 74115402665.

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

It is not a de Polignac number, because 56620451147 - 2² = 56620451143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56620451143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41088173 + ... + 41089550.

It is an arithmetic number, because the mean of its divisors is an integer number (7765794918).

Almost surely, 2^56620451147 is an apocalyptic number.

56620451147 is a deficient number, since it is larger than the sum of its proper divisors (5505908197).

56620451147 is a wasteful number, since it uses less digits than its factorization.

56620451147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82177789.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 56620451147 in words is "fifty-six billion, six hundred twenty million, four hundred fifty-one thousand, one hundred forty-seven".