51890472326 has 32 divisors (see below), whose sum is σ = 99664687872. Its totient is φ = 19670657760.

The previous prime is 51890472317. The next prime is 51890472377. The reversal of 51890472326 is 62327409815.

It is a super-2 number, since 2×51890472326² (a number of 22 digits) contains 22 as substring.

It is a pancake number, because a pancake can be divided into 51890472326 parts by 322150 straight cuts.

It is a congruent number.

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, 4547696 + ... + 4559091.

It is an arithmetic number, because the mean of its divisors is an integer number (3114521496).

It is a 2-persistent number, because it is pandigital, and so is 2⋅51890472326 = 103780944652, but 3⋅51890472326 = 155671416978 is not.

Almost surely, 2^51890472326 is an apocalyptic number.

51890472326 is a deficient number, since it is larger than the sum of its proper divisors (47774215546).

51890472326 is a wasteful number, since it uses less digits than its factorization.

51890472326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9106844.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 51890472326 in words is "fifty-one billion, eight hundred ninety million, four hundred seventy-two thousand, three hundred twenty-six".