51652550500 has 24 divisors (see below), whose sum is σ = 112809171384. Its totient is φ = 20661020000.

The previous prime is 51652550489. The next prime is 51652550513. The reversal of 51652550500 is 505525615.

It can be written as a sum of positive squares in 4 ways, for example, as 3093139456 + 48559411044 = 55616^2 + 220362^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51652051 + ... + 51653050.

It is an arithmetic number, because the mean of its divisors is an integer number (4700382141).

Almost surely, 2^51652550500 is an apocalyptic number.

51652550500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51652550500 is an abundant number, since it is smaller than the sum of its proper divisors (61156620884).

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

51652550500 is a wasteful number, since it uses less digits than its factorization.

51652550500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103305120 (or 103305108 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 34.

The spelling of 51652550500 in words is "fifty-one billion, six hundred fifty-two million, five hundred fifty thousand, five hundred".