51321600030 has 64 divisors (see below), whose sum is σ = 123780250368. Its totient is φ = 13618298880.

The previous prime is 51321600019. The next prime is 51321600151. The reversal of 51321600030 is 3000612315.

51321600030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6677790 + ... + 6685470.

It is an arithmetic number, because the mean of its divisors is an integer number (1934066412).

Almost surely, 2^51321600030 is an apocalyptic number.

51321600030 is an abundant number, since it is smaller than the sum of its proper divisors (72458650338).

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

51321600030 is a wasteful number, since it uses less digits than its factorization.

51321600030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8761.

The product of its (nonzero) digits is 540, while the sum is 21.

The spelling of 51321600030 in words is "fifty-one billion, three hundred twenty-one million, six hundred thousand, thirty".