51122533 has 12 divisors (see below), whose sum is σ = 64876032. Its totient is φ = 39835320.

The previous prime is 51122507. The next prime is 51122549. The reversal of 51122533 is 33522115.

It is not a de Polignac number, because 51122533 - 2⁵ = 51122501 is a prime.

It is a super-2 number, since 2×51122533² = 5227026760672178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51122573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46885 + ... + 47962.

It is an arithmetic number, because the mean of its divisors is an integer number (5406336).

Almost surely, 2^51122533 is an apocalyptic number.

It is an amenable number.

51122533 is a deficient number, since it is larger than the sum of its proper divisors (13753499).

51122533 is a wasteful number, since it uses less digits than its factorization.

51122533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94872 (or 94865 counting only the distinct ones).

The product of its digits is 900, while the sum is 22.

The square root of 51122533 is about 7150.0023076919. The cubic root of 51122533 is about 371.1397361363.

Adding to 51122533 its reverse (33522115), we get a palindrome (84644648).

The spelling of 51122533 in words is "fifty-one million, one hundred twenty-two thousand, five hundred thirty-three".