525550278056 has 64 divisors (see below), whose sum is σ = 1038064896000. Its totient is φ = 249133294080.

The previous prime is 525550278041. The next prime is 525550278061. The reversal of 525550278056 is 650872055525.

It is a junction number, because it is equal to n+sod(n) for n = 525550277995 and 525550278013.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2296625 + ... + 2515071.

It is an arithmetic number, because the mean of its divisors is an integer number (16219764000).

Almost surely, 2^525550278056 is an apocalyptic number.

It is an amenable number.

525550278056 is a deficient number, since it is larger than the sum of its proper divisors (512514617944).

525550278056 is a wasteful number, since it uses less digits than its factorization.

525550278056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218682 (or 218678 counting only the distinct ones).

The product of its (nonzero) digits is 4200000, while the sum is 50.

The spelling of 525550278056 in words is "five hundred twenty-five billion, five hundred fifty million, two hundred seventy-eight thousand, fifty-six".