51535052 has 18 divisors (see below), whose sum is σ = 91292292. Its totient is φ = 25453144.

The previous prime is 51535039. The next prime is 51535067. The reversal of 51535052 is 25053515.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 148343 + ... + 148689.

It is an arithmetic number, because the mean of its divisors is an integer number (5071794).

Almost surely, 2^51535052 is an apocalyptic number.

It is an amenable number.

51535052 is a deficient number, since it is larger than the sum of its proper divisors (39757240).

51535052 is a wasteful number, since it uses less digits than its factorization.

51535052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 51535052 is about 7178.7918203553. The cubic root of 51535052 is about 372.1353325002.

Adding to 51535052 its reverse (25053515), we get a palindrome (76588567).

The spelling of 51535052 in words is "fifty-one million, five hundred thirty-five thousand, fifty-two".