51060005500 has 48 divisors (see below), whose sum is σ = 127445782464. Its totient is φ = 17506286400.

The previous prime is 51060005489. The next prime is 51060005519. The reversal of 51060005500 is 550006015.

It is a congruent number.

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, 7290787 + ... + 7297786.

It is an arithmetic number, because the mean of its divisors is an integer number (2655120468).

Almost surely, 2^51060005500 is an apocalyptic number.

51060005500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51060005500 is an abundant number, since it is smaller than the sum of its proper divisors (76385776964).

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

51060005500 is a wasteful number, since it uses less digits than its factorization.

51060005500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14588599 (or 14588587 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The spelling of 51060005500 in words is "fifty-one billion, sixty million, five thousand, five hundred".