56278148216 has 32 divisors (see below), whose sum is σ = 110149372800. Its totient is φ = 26925381120.

The previous prime is 56278148093. The next prime is 56278148231. The reversal of 56278148216 is 61284187265.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1252805 + ... + 1296948.

It is an arithmetic number, because the mean of its divisors is an integer number (3442167900).

Almost surely, 2^56278148216 is an apocalyptic number.

It is an amenable number.

56278148216 is a deficient number, since it is larger than the sum of its proper divisors (53871224584).

56278148216 is a wasteful number, since it uses less digits than its factorization.

56278148216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549879 (or 2549875 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 50.

The spelling of 56278148216 in words is "fifty-six billion, two hundred seventy-eight million, one hundred forty-eight thousand, two hundred sixteen".