51522937 has 16 divisors (see below), whose sum is σ = 57834000. Its totient is φ = 45660160.

The previous prime is 51522929. The next prime is 51522953. The reversal of 51522937 is 73922515.

51522937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 885481 + 50637456 = 941^2 + 7116^2 .

It is a cyclic number.

It is not a de Polignac number, because 51522937 - 2³ = 51522929 is a prime.

It is a super-2 number, since 2×51522937² = 5309226074211938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51522137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18939 + ... + 21487.

It is an arithmetic number, because the mean of its divisors is an integer number (3614625).

Almost surely, 2^51522937 is an apocalyptic number.

It is an amenable number.

51522937 is a deficient number, since it is larger than the sum of its proper divisors (6311063).

51522937 is a wasteful number, since it uses less digits than its factorization.

51522937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2636.

The product of its digits is 18900, while the sum is 34.

The square root of 51522937 is about 7177.9479658186. The cubic root of 51522937 is about 372.1061693532.

The spelling of 51522937 in words is "fifty-one million, five hundred twenty-two thousand, nine hundred thirty-seven".