51838521726 has 16 divisors (see below), whose sum is σ = 103959546624. Its totient is φ = 17232423384.

The previous prime is 51838521703. The next prime is 51838521781. The reversal of 51838521726 is 62712583815.

It is a super-3 number, since 3×51838521726³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11768580 + ... + 11772983.

It is an arithmetic number, because the mean of its divisors is an integer number (6497471664).

Almost surely, 2^51838521726 is an apocalyptic number.

51838521726 is an abundant number, since it is smaller than the sum of its proper divisors (52121024898).

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

51838521726 is a wasteful number, since it uses less digits than its factorization.

51838521726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23541935.

The product of its digits is 806400, while the sum is 48.

The spelling of 51838521726 in words is "fifty-one billion, eight hundred thirty-eight million, five hundred twenty-one thousand, seven hundred twenty-six".