51582484 has 6 divisors (see below), whose sum is σ = 90269354. Its totient is φ = 25791240.

The previous prime is 51582463. The next prime is 51582527. The reversal of 51582484 is 48428515.

It can be written as a sum of positive squares in only one way, i.e., 48692484 + 2890000 = 6978^2 + 1700^2 .

It is a super-2 number, since 2×51582484² = 5321505311220512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6447807 + ... + 6447814.

Almost surely, 2^51582484 is an apocalyptic number.

It is an amenable number.

51582484 is a deficient number, since it is larger than the sum of its proper divisors (38686870).

51582484 is a wasteful number, since it uses less digits than its factorization.

51582484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12895625 (or 12895623 counting only the distinct ones).

The product of its digits is 51200, while the sum is 37.

The square root of 51582484 is about 7182.0946805232. The cubic root of 51582484 is about 372.2494665371.

The spelling of 51582484 in words is "fifty-one million, five hundred eighty-two thousand, four hundred eighty-four".