53618893456 has 40 divisors (see below), whose sum is σ = 109431522720. Its totient is φ = 25380493056.

The previous prime is 53618893441. The next prime is 53618893457. The reversal of 53618893456 is 65439881635.

It is a self number, because there is not a number n which added to its sum of digits gives 53618893456.

It is not an unprimeable number, because it can be changed into a prime (53618893457) 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, 374091 + ... + 497173.

It is an arithmetic number, because the mean of its divisors is an integer number (2735788068).

Almost surely, 2^53618893456 is an apocalyptic number.

It is an amenable number.

53618893456 is an abundant number, since it is smaller than the sum of its proper divisors (55812629264).

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

53618893456 is a wasteful number, since it uses less digits than its factorization.

53618893456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124543 (or 124537 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 58.

The spelling of 53618893456 in words is "fifty-three billion, six hundred eighteen million, eight hundred ninety-three thousand, four hundred fifty-six".