51433301250 has 240 divisors, whose sum is σ = 144916611840. Its totient is φ = 13165200000.

The previous prime is 51433301221. The next prime is 51433301261. The reversal of 51433301250 is 5210333415.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 48475720 + ... + 48476780.

It is an arithmetic number, because the mean of its divisors is an integer number (603819216).

Almost surely, 2^51433301250 is an apocalyptic number.

51433301250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 51433301250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72458305920).

51433301250 is an abundant number, since it is smaller than the sum of its proper divisors (93483310590).

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

51433301250 is a wasteful number, since it uses less digits than its factorization.

51433301250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259 (or 1241 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 51433301250 its reverse (5210333415), we get a palindrome (56643634665).

The spelling of 51433301250 in words is "fifty-one billion, four hundred thirty-three million, three hundred one thousand, two hundred fifty".