51236526 has 32 divisors (see below), whose sum is σ = 112889088. Its totient is φ = 15373440.

The previous prime is 51236519. The next prime is 51236543. The reversal of 51236526 is 62563215.

It is a junction number, because it is equal to n+sod(n) for n = 51236493 and 51236502.

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, 3030 + ... + 10566.

It is an arithmetic number, because the mean of its divisors is an integer number (3527784).

Almost surely, 2^51236526 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51236526, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56444544).

51236526 is an abundant number, since it is smaller than the sum of its proper divisors (61652562).

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

51236526 is a wasteful number, since it uses less digits than its factorization.

51236526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7656.

The product of its digits is 10800, while the sum is 30.

The square root of 51236526 is about 7157.9694047963. The cubic root of 51236526 is about 371.4153870919.

The spelling of 51236526 in words is "fifty-one million, two hundred thirty-six thousand, five hundred twenty-six".