51102250350 has 96 divisors (see below), whose sum is σ = 129921684480. Its totient is φ = 13284960000.

The previous prime is 51102250301. The next prime is 51102250369. The reversal of 51102250350 is 5305220115.

It is a happy number.

It is a super-2 number, since 2×51102250350² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51102250350.

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, 11996521 + ... + 12000779.

It is an arithmetic number, because the mean of its divisors is an integer number (1353350880).

Almost surely, 2^51102250350 is an apocalyptic number.

51102250350 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 51102250350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64960842240).

51102250350 is an abundant number, since it is smaller than the sum of its proper divisors (78819434130).

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

51102250350 is a wasteful number, since it uses less digits than its factorization.

51102250350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6266 (or 6261 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

Adding to 51102250350 its reverse (5305220115), we get a palindrome (56407470465).

The spelling of 51102250350 in words is "fifty-one billion, one hundred two million, two hundred fifty thousand, three hundred fifty".