51002531352 has 48 divisors (see below), whose sum is σ = 140077388880. Its totient is φ = 16761393600.

The previous prime is 51002531347. The next prime is 51002531399. The reversal of 51002531352 is 25313520015.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4983399 + ... + 4993622.

It is an arithmetic number, because the mean of its divisors is an integer number (2918278935).

Almost surely, 2^51002531352 is an apocalyptic number.

It is an amenable number.

51002531352 is an abundant number, since it is smaller than the sum of its proper divisors (89074857528).

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

51002531352 is a wasteful number, since it uses less digits than its factorization.

51002531352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9977104 (or 9977097 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The spelling of 51002531352 in words is "fifty-one billion, two million, five hundred thirty-one thousand, three hundred fifty-two".