51527272 has 32 divisors (see below), whose sum is σ = 102816000. Its totient is φ = 24125184.

The previous prime is 51527257. The next prime is 51527279. The reversal of 51527272 is 27272515.

51527272 is a modest number, since divided by 7272 gives 5152 as remainder.

It is not an unprimeable number, because it can be changed into a prime (51527279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29479 + ... + 31177.

It is an arithmetic number, because the mean of its divisors is an integer number (3213000).

Almost surely, 2^51527272 is an apocalyptic number.

It is an amenable number.

51527272 is a deficient number, since it is larger than the sum of its proper divisors (51288728).

51527272 is a wasteful number, since it uses less digits than its factorization.

51527272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945 (or 1941 counting only the distinct ones).

The product of its digits is 9800, while the sum is 31.

The square root of 51527272 is about 7178.2499259917. The cubic root of 51527272 is about 372.1166050614.

Adding to 51527272 its reverse (27272515), we get a palindrome (78799787).

The spelling of 51527272 in words is "fifty-one million, five hundred twenty-seven thousand, two hundred seventy-two".