51522475 has 12 divisors (see below), whose sum is σ = 63980280. Its totient is φ = 41158400.

The previous prime is 51522469. The next prime is 51522479. The reversal of 51522475 is 57422515.

51522475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51522475 - 2⁷ = 51522347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51522479) 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 11 ways as a sum of consecutive naturals, for example, 26331 + ... + 28219.

It is an arithmetic number, because the mean of its divisors is an integer number (5331690).

Almost surely, 2^51522475 is an apocalyptic number.

51522475 is a deficient number, since it is larger than the sum of its proper divisors (12457805).

51522475 is a wasteful number, since it uses less digits than its factorization.

51522475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990 (or 2985 counting only the distinct ones).

The product of its digits is 14000, while the sum is 31.

The square root of 51522475 is about 7177.9157838470. The cubic root of 51522475 is about 372.1050571394.

The spelling of 51522475 in words is "fifty-one million, five hundred twenty-two thousand, four hundred seventy-five".