51055151600 has 120 divisors (see below), whose sum is σ = 131115795552. Its totient is φ = 19057561600.

The previous prime is 51055151599. The next prime is 51055151603. The reversal of 51055151600 is 615155015.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51055151603) 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, 309524 + ... + 444876.

Almost surely, 2^51055151600 is an apocalyptic number.

51055151600 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 51055151600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65557897776).

51055151600 is an abundant number, since it is smaller than the sum of its proper divisors (80060643952).

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

51055151600 is a wasteful number, since it uses less digits than its factorization.

51055151600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135435 (or 135424 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 51055151600 in words is "fifty-one billion, fifty-five million, one hundred fifty-one thousand, six hundred".