51827272 has 16 divisors (see below), whose sum is σ = 111058560. Its totient is φ = 22211664.

The previous prime is 51827249. The next prime is 51827273. The reversal of 51827272 is 27272815.

It is a super-2 number, since 2×51827272² = 5372132245923968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51827273) by changing a digit.

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, 462688 + ... + 462799.

It is an arithmetic number, because the mean of its divisors is an integer number (6941160).

Almost surely, 2^51827272 is an apocalyptic number.

It is an amenable number.

51827272 is an abundant number, since it is smaller than the sum of its proper divisors (59231288).

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

51827272 is a wasteful number, since it uses less digits than its factorization.

51827272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925500 (or 925496 counting only the distinct ones).

The product of its digits is 15680, while the sum is 34.

The square root of 51827272 is about 7199.1160568503. The cubic root of 51827272 is about 372.8373821246.

The spelling of 51827272 in words is "fifty-one million, eight hundred twenty-seven thousand, two hundred seventy-two".