51522474 has 16 divisors (see below), whose sum is σ = 103415040. Its totient is φ = 17112480.

The previous prime is 51522469. The next prime is 51522479. The reversal of 51522474 is 47422515.

It is an interprime number because it is at equal distance from previous prime (51522469) and next prime (51522479).

It is not an unprimeable number, because it can be changed into a prime (51522479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13594 + ... + 16965.

It is an arithmetic number, because the mean of its divisors is an integer number (6463440).

Almost surely, 2^51522474 is an apocalyptic number.

51522474 is an abundant number, since it is smaller than the sum of its proper divisors (51892566).

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

51522474 is a wasteful number, since it uses less digits than its factorization.

51522474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30845.

The product of its digits is 11200, while the sum is 30.

The square root of 51522474 is about 7177.9157141889. The cubic root of 51522474 is about 372.1050547320.

Adding to 51522474 its reverse (47422515), we get a palindrome (98944989).

It can be divided in two parts, 5152 and 2474, that added together give a triangular number (7626 = T₁₂₃).

The spelling of 51522474 in words is "fifty-one million, five hundred twenty-two thousand, four hundred seventy-four".