51454531300 has 72 divisors (see below), whose sum is σ = 113831776800. Its totient is φ = 20182552320.

The previous prime is 51454531283. The next prime is 51454531309. The reversal of 51454531300 is 313545415.

It is not an unprimeable number, because it can be changed into a prime (51454531309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2402439 + ... + 2423761.

It is an arithmetic number, because the mean of its divisors is an integer number (1580996900).

Almost surely, 2^51454531300 is an apocalyptic number.

51454531300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51454531300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56915888400).

51454531300 is an abundant number, since it is smaller than the sum of its proper divisors (62377245500).

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

51454531300 is a wasteful number, since it uses less digits than its factorization.

51454531300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21805 (or 21798 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 51454531300 in words is "fifty-one billion, four hundred fifty-four million, five hundred thirty-one thousand, three hundred".