51532304450 has 96 divisors (see below), whose sum is σ = 110401237440. Its totient is φ = 17698867200.

The previous prime is 51532304437. The next prime is 51532304477. The reversal of 51532304450 is 5440323515.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3514334 + ... + 3528966.

It is an arithmetic number, because the mean of its divisors is an integer number (1150012890).

Almost surely, 2^51532304450 is an apocalyptic number.

51532304450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51532304450 is an abundant number, since it is smaller than the sum of its proper divisors (58868932990).

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

51532304450 is a wasteful number, since it uses less digits than its factorization.

51532304450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15012 (or 15007 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 51532304450 its reverse (5440323515), we get a palindrome (56972627965).

The spelling of 51532304450 in words is "fifty-one billion, five hundred thirty-two million, three hundred four thousand, four hundred fifty".