51552243500 has 48 divisors (see below), whose sum is σ = 113156097600. Its totient is φ = 20517235200.

The previous prime is 51552243451. The next prime is 51552243683. The reversal of 51552243500 is 534225515.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159557 + ... + 358556.

It is an arithmetic number, because the mean of its divisors is an integer number (2357418700).

Almost surely, 2^51552243500 is an apocalyptic number.

51552243500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51552243500 is an abundant number, since it is smaller than the sum of its proper divisors (61603854100).

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

51552243500 is a wasteful number, since it uses less digits than its factorization.

51552243500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518331 (or 518319 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 51552243500 in words is "fifty-one billion, five hundred fifty-two million, two hundred forty-three thousand, five hundred".