51985728034 has 16 divisors (see below), whose sum is σ = 82571384448. Its totient is φ = 24462148672.

The previous prime is 51985728023. The next prime is 51985728037. The reversal of 51985728034 is 43082758915.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (51985728037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526539 + ... + 617425.

It is an arithmetic number, because the mean of its divisors is an integer number (5160711528).

Almost surely, 2^51985728034 is an apocalyptic number.

51985728034 is a deficient number, since it is larger than the sum of its proper divisors (30585656414).

51985728034 is a wasteful number, since it uses less digits than its factorization.

51985728034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107729.

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 51985728034 in words is "fifty-one billion, nine hundred eighty-five million, seven hundred twenty-eight thousand, thirty-four".