51603243522 has 16 divisors (see below), whose sum is σ = 103209666240. Its totient is φ = 17200551312.

The previous prime is 51603243499. The next prime is 51603243541. The reversal of 51603243522 is 22534230615.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113748 + ... + 340800.

It is an arithmetic number, because the mean of its divisors is an integer number (6450604140).

Almost surely, 2^51603243522 is an apocalyptic number.

51603243522 is an abundant number, since it is smaller than the sum of its proper divisors (51606422718).

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

51603243522 is a wasteful number, since it uses less digits than its factorization.

51603243522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264937.

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 51603243522 in words is "fifty-one billion, six hundred three million, two hundred forty-three thousand, five hundred twenty-two".