51445526 has 32 divisors (see below), whose sum is σ = 88397568. Its totient is φ = 22227040.

The previous prime is 51445517. The next prime is 51445531. The reversal of 51445526 is 62554415.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51445492 and 51445501.

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, 148085 + ... + 148431.

It is an arithmetic number, because the mean of its divisors is an integer number (2762424).

Almost surely, 2^51445526 is an apocalyptic number.

51445526 is a deficient number, since it is larger than the sum of its proper divisors (36952042).

51445526 is a wasteful number, since it uses less digits than its factorization.

51445526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676.

The product of its digits is 24000, while the sum is 32.

The square root of 51445526 is about 7172.5536596111. The cubic root of 51445526 is about 371.9197180977.

Subtracting 51445526 from its reverse (62554415), we obtain a square (11108889 = 3333²).

The spelling of 51445526 in words is "fifty-one million, four hundred forty-five thousand, five hundred twenty-six".