51510541452 has 96 divisors (see below), whose sum is σ = 124904747520. Its totient is φ = 16509058560.

The previous prime is 51510541447. The next prime is 51510541463. The reversal of 51510541452 is 25414501515.

It is a happy 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, 13270552 + ... + 13274432.

It is an arithmetic number, because the mean of its divisors is an integer number (1301091120).

Almost surely, 2^51510541452 is an apocalyptic number.

It is an amenable number.

51510541452 is an abundant number, since it is smaller than the sum of its proper divisors (73394206068).

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

51510541452 is a wasteful number, since it uses less digits than its factorization.

51510541452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4271 (or 4269 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 33.

The spelling of 51510541452 in words is "fifty-one billion, five hundred ten million, five hundred forty-one thousand, four hundred fifty-two".