52551002000 has 80 divisors (see below), whose sum is σ = 145220979072. Its totient is φ = 18017481600.

The previous prime is 52551001961. The next prime is 52551002011. The reversal of 52551002000 is 20015525.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×52551002000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 1862822 + ... + 1890821.

Almost surely, 2^52551002000 is an apocalyptic number.

52551002000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52551002000 is an abundant number, since it is smaller than the sum of its proper divisors (92669977072).

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

52551002000 is a wasteful number, since it uses less digits than its factorization.

52551002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3753673 (or 3753657 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

Adding to 52551002000 its reverse (20015525), we get a palindrome (52571017525).

The spelling of 52551002000 in words is "fifty-two billion, five hundred fifty-one million, two thousand".