51921302926 has 16 divisors (see below), whose sum is σ = 82049337360. Its totient is φ = 24573801600.

The previous prime is 51921302921. The next prime is 51921302929. The reversal of 51921302926 is 62920312915.

It is a super-2 number, since 2×51921302926² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51921302921) 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, 523201 + ... + 614476.

It is an arithmetic number, because the mean of its divisors is an integer number (5128083585).

Almost surely, 2^51921302926 is an apocalyptic number.

51921302926 is a deficient number, since it is larger than the sum of its proper divisors (30128034434).

51921302926 is a wasteful number, since it uses less digits than its factorization.

51921302926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138899.

The product of its (nonzero) digits is 58320, while the sum is 40.

The spelling of 51921302926 in words is "fifty-one billion, nine hundred twenty-one million, three hundred two thousand, nine hundred twenty-six".