52555221732 has 48 divisors (see below), whose sum is σ = 134226811712. Its totient is φ = 15905738880.

The previous prime is 52555221707. The next prime is 52555221749. The reversal of 52555221732 is 23712255525.

It is a super-3 number, since 3×52555221732³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2751898 + ... + 2770929.

Almost surely, 2^52555221732 is an apocalyptic number.

52555221732 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

52555221732 is an abundant number, since it is smaller than the sum of its proper divisors (81671589980).

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

52555221732 is a wasteful number, since it uses less digits than its factorization.

52555221732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5522908 (or 5522906 counting only the distinct ones).

The product of its digits is 210000, while the sum is 39.

The spelling of 52555221732 in words is "fifty-two billion, five hundred fifty-five million, two hundred twenty-one thousand, seven hundred thirty-two".