51255050560 has 336 divisors, whose sum is σ = 152964123840. Its totient is φ = 16257024000.

The previous prime is 51255050549. The next prime is 51255050593. The reversal of 51255050560 is 6505055215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12808560 + ... + 12812560.

Almost surely, 2^51255050560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51255050560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76482061920).

51255050560 is an abundant number, since it is smaller than the sum of its proper divisors (101709073280).

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

51255050560 is a wasteful number, since it uses less digits than its factorization.

51255050560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094 (or 4077 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 34.

The spelling of 51255050560 in words is "fifty-one billion, two hundred fifty-five million, fifty thousand, five hundred sixty".