51535248 has 20 divisors (see below), whose sum is σ = 133132848. Its totient is φ = 17178400.

The previous prime is 51535219. The next prime is 51535307. The reversal of 51535248 is 84253515.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536778 + ... + 536873.

Almost surely, 2^51535248 is an apocalyptic number.

It is an amenable number.

51535248 is an abundant number, since it is smaller than the sum of its proper divisors (81597600).

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

51535248 is a wasteful number, since it uses less digits than its factorization.

51535248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073662 (or 1073656 counting only the distinct ones).

The product of its digits is 24000, while the sum is 33.

The square root of 51535248 is about 7178.8054716645. The cubic root of 51535248 is about 372.1358042725.

It can be divided in two parts, 5153 and 5248, that added together give a palindrome (10401).

The spelling of 51535248 in words is "fifty-one million, five hundred thirty-five thousand, two hundred forty-eight".