51002503242 has 32 divisors (see below), whose sum is σ = 102256577280. Its totient is φ = 16958952960.

The previous prime is 51002503163. The next prime is 51002503303. The reversal of 51002503242 is 24230520015.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5264559 + ... + 5274237.

It is an arithmetic number, because the mean of its divisors is an integer number (3195518040).

Almost surely, 2^51002503242 is an apocalyptic number.

51002503242 is an abundant number, since it is smaller than the sum of its proper divisors (51254074038).

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

51002503242 is a wasteful number, since it uses less digits than its factorization.

51002503242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11758.

The product of its (nonzero) digits is 2400, while the sum is 24.

The spelling of 51002503242 in words is "fifty-one billion, two million, five hundred three thousand, two hundred forty-two".