53497223856 has 60 divisors (see below), whose sum is σ = 149984081208. Its totient is φ = 17800707072.

The previous prime is 53497223849. The next prime is 53497223873. The reversal of 53497223856 is 65832279435.

53497223856 is a `hidden beast` number, since 53 + 497 + 2 + 23 + 85 + 6 = 666.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 248865 + ... + 411008.

Almost surely, 2^53497223856 is an apocalyptic number.

It is an amenable number.

53497223856 is an abundant number, since it is smaller than the sum of its proper divisors (96486857352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53497223856 is a wasteful number, since it uses less digits than its factorization.

53497223856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660450 (or 660441 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

The spelling of 53497223856 in words is "fifty-three billion, four hundred ninety-seven million, two hundred twenty-three thousand, eight hundred fifty-six".