51252521752000 has 56 divisors (see below), whose sum is σ = 126926870138640. Its totient is φ = 20501008697600.

The previous prime is 51252521751983. The next prime is 51252521752013. The reversal of 51252521752000 is 25712525215.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3203274610 + ... + 3203290609.

Almost surely, 2^{51252521752000} is an apocalyptic number.

51252521752000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51252521752000 is an abundant number, since it is smaller than the sum of its proper divisors (75674348386640).

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

51252521752000 is an equidigital number, since it uses as much as digits as its factorization.

51252521752000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6406565246 (or 6406565226 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 37.

The spelling of 51252521752000 in words is "fifty-one trillion, two hundred fifty-two billion, five hundred twenty-one million, seven hundred fifty-two thousand".