51522336 has 36 divisors (see below), whose sum is σ = 146517462. Its totient is φ = 17174016.

The previous prime is 51522329. The next prime is 51522337. The reversal of 51522336 is 63322515.

It can be written as a sum of positive squares in only one way, i.e., 49617936 + 1904400 = 7044^2 + 1380^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×51522336² = 5309102213793792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51522337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89161 + ... + 89736.

Almost surely, 2^51522336 is an apocalyptic number.

It is an amenable number.

51522336 is an abundant number, since it is smaller than the sum of its proper divisors (94995126).

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

51522336 is a wasteful number, since it uses less digits than its factorization.

51522336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178913 (or 178902 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 51522336 is about 7177.9061013641. The cubic root of 51522336 is about 372.1047225110.

The spelling of 51522336 in words is "fifty-one million, five hundred twenty-two thousand, three hundred thirty-six".