51527516 has 12 divisors (see below), whose sum is σ = 90714288. Its totient is φ = 25609152.

The previous prime is 51527471. The next prime is 51527533. The reversal of 51527516 is 61572515.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37901 + ... + 39236.

It is an arithmetic number, because the mean of its divisors is an integer number (7559524).

Almost surely, 2^51527516 is an apocalyptic number.

It is an amenable number.

51527516 is a deficient number, since it is larger than the sum of its proper divisors (39186772).

51527516 is a wasteful number, since it uses less digits than its factorization.

51527516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77308 (or 77306 counting only the distinct ones).

The product of its digits is 10500, while the sum is 32.

The square root of 51527516 is about 7178.2669217576. The cubic root of 51527516 is about 372.1171924287.

The spelling of 51527516 in words is "fifty-one million, five hundred twenty-seven thousand, five hundred sixteen".