51477635000 has 120 divisors (see below), whose sum is σ = 132575187360. Its totient is φ = 18718920000.

The previous prime is 51477634997. The next prime is 51477635071. The reversal of 51477635000 is 53677415.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 562457 + ... + 647543.

It is an arithmetic number, because the mean of its divisors is an integer number (1104793228).

Almost surely, 2^51477635000 is an apocalyptic number.

51477635000 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 51477635000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66287593680).

51477635000 is an abundant number, since it is smaller than the sum of its proper divisors (81097552360).

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

51477635000 is a wasteful number, since it uses less digits than its factorization.

51477635000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85135 (or 85105 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 38.

The spelling of 51477635000 in words is "fifty-one billion, four hundred seventy-seven million, six hundred thirty-five thousand".