52717955976 has 128 divisors (see below), whose sum is σ = 169239456000. Its totient is φ = 14892996096.

The previous prime is 52717955957. The next prime is 52717955981. The reversal of 52717955976 is 67955971725.

52717955976 is a `hidden beast` number, since 5 + 2 + 7 + 1 + 7 + 9 + 559 + 76 = 666.

It is a super-2 number, since 2×52717955976² (a number of 22 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 61311 + ... + 330446.

It is an arithmetic number, because the mean of its divisors is an integer number (1322183250).

Almost surely, 2^52717955976 is an apocalyptic number.

52717955976 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 52717955976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84619728000).

52717955976 is an abundant number, since it is smaller than the sum of its proper divisors (116521500024).

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

52717955976 is a wasteful number, since it uses less digits than its factorization.

52717955976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391868 (or 391858 counting only the distinct ones).

The product of its digits is 41674500, while the sum is 63.

The spelling of 52717955976 in words is "fifty-two billion, seven hundred seventeen million, nine hundred fifty-five thousand, nine hundred seventy-six".