51522726 has 16 divisors (see below), whose sum is σ = 104066928. Its totient is φ = 17004000.

The previous prime is 51522721. The next prime is 51522739. The reversal of 51522726 is 62722515.

It is a junction number, because it is equal to n+sod(n) for n = 51522693 and 51522702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51522721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41905 + ... + 43116.

It is an arithmetic number, because the mean of its divisors is an integer number (6504183).

Almost surely, 2^51522726 is an apocalyptic number.

51522726 is an abundant number, since it is smaller than the sum of its proper divisors (52544202).

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

51522726 is a wasteful number, since it uses less digits than its factorization.

51522726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85127.

The product of its digits is 8400, while the sum is 30.

The square root of 51522726 is about 7177.9332680097. The cubic root of 51522726 is about 372.1056613949.

The spelling of 51522726 in words is "fifty-one million, five hundred twenty-two thousand, seven hundred twenty-six".