52117019352 has 40 divisors (see below), whose sum is σ = 145975912500. Its totient is φ = 17372339568.

The previous prime is 52117019351. The next prime is 52117019359. The reversal of 52117019352 is 25391071125.

52117019352 is a `hidden beast` number, since 521 + 1 + 70 + 19 + 3 + 52 = 666.

It is a super-2 number, since 2×52117019352² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52117019351) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 40213102 + ... + 40214397.

Almost surely, 2^52117019352 is an apocalyptic number.

It is an amenable number.

52117019352 is an abundant number, since it is smaller than the sum of its proper divisors (93858893148).

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

52117019352 is a wasteful number, since it uses less digits than its factorization.

52117019352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80427517 (or 80427504 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 36.

The spelling of 52117019352 in words is "fifty-two billion, one hundred seventeen million, nineteen thousand, three hundred fifty-two".