52761581500 has 48 divisors (see below), whose sum is σ = 118948467456. Its totient is φ = 20423832000.

The previous prime is 52761581471. The next prime is 52761581507. The reversal of 52761581500 is 518516725.

It is a happy number.

It is a super-2 number, since 2×52761581500² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52761581507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1686487 + ... + 1717486.

It is an arithmetic number, because the mean of its divisors is an integer number (2478093072).

Almost surely, 2^52761581500 is an apocalyptic number.

52761581500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52761581500 is an abundant number, since it is smaller than the sum of its proper divisors (66186885956).

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

52761581500 is a wasteful number, since it uses less digits than its factorization.

52761581500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404023 (or 3404011 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 40.

The spelling of 52761581500 in words is "fifty-two billion, seven hundred sixty-one million, five hundred eighty-one thousand, five hundred".