53605499976 has 320 divisors, whose sum is σ = 188485862400. Its totient is φ = 13878387072.

The previous prime is 53605499939. The next prime is 53605500077. The reversal of 53605499976 is 67999450635.

53605499976 is a `hidden beast` number, since 53 + 6 + 0 + 5 + 499 + 97 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1968711 + ... + 1995753.

It is an arithmetic number, because the mean of its divisors is an integer number (589018320).

Almost surely, 2^53605499976 is an apocalyptic number.

53605499976 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53605499976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94242931200).

53605499976 is an abundant number, since it is smaller than the sum of its proper divisors (134880362424).

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

53605499976 is a wasteful number, since it uses less digits than its factorization.

53605499976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27110 (or 27097 counting only the distinct ones).

The product of its (nonzero) digits is 55112400, while the sum is 63.

The spelling of 53605499976 in words is "fifty-three billion, six hundred five million, four hundred ninety-nine thousand, nine hundred seventy-six".