51227588 has 12 divisors (see below), whose sum is σ = 90303612. Its totient is φ = 25426560.

The previous prime is 51227587. The next prime is 51227611. The reversal of 51227588 is 88572215.

It is a happy number.

51227588 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 37552384 + 13675204 = 6128^2 + 3698^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (51227581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46193 + ... + 47288.

It is an arithmetic number, because the mean of its divisors is an integer number (7525301).

Almost surely, 2^51227588 is an apocalyptic number.

It is an amenable number.

51227588 is a deficient number, since it is larger than the sum of its proper divisors (39076024).

51227588 is a wasteful number, since it uses less digits than its factorization.

51227588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93622 (or 93620 counting only the distinct ones).

The product of its digits is 44800, while the sum is 38.

The square root of 51227588 is about 7157.3450384902. The cubic root of 51227588 is about 371.3937885433.

It can be divided in two parts, 51227 and 588, that added together give a palindrome (51815).

The spelling of 51227588 in words is "fifty-one million, two hundred twenty-seven thousand, five hundred eighty-eight".