51227130 has 32 divisors (see below), whose sum is σ = 123418368. Its totient is φ = 13608000.

The previous prime is 51227123. The next prime is 51227149. The reversal of 51227130 is 3172215.

It is a junction number, because it is equal to n+sod(n) for n = 51227097 and 51227106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4980 + ... + 11280.

It is an arithmetic number, because the mean of its divisors is an integer number (3856824).

Almost surely, 2^51227130 is an apocalyptic number.

51227130 is an abundant number, since it is smaller than the sum of its proper divisors (72191238).

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

51227130 is a wasteful number, since it uses less digits than its factorization.

51227130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6582.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 51227130 is about 7157.3130433145. The cubic root of 51227130 is about 371.3926817252.

Adding to 51227130 its reverse (3172215), we get a palindrome (54399345).

The spelling of 51227130 in words is "fifty-one million, two hundred twenty-seven thousand, one hundred thirty".