51227480 has 32 divisors (see below), whose sum is σ = 115484400. Its totient is φ = 20451456.

The previous prime is 51227479. The next prime is 51227513. The reversal of 51227480 is 8472215.

51227480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 28694 + ... + 30426.

Almost surely, 2^51227480 is an apocalyptic number.

It is an amenable number.

51227480 is an abundant number, since it is smaller than the sum of its proper divisors (64256920).

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

51227480 is a wasteful number, since it uses less digits than its factorization.

51227480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483 (or 2479 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 51227480 is about 7157.3374937892. The cubic root of 51227480 is about 371.3935275475.

Adding to 51227480 its reverse (8472215), we get a palindrome (59699695).

The spelling of 51227480 in words is "fifty-one million, two hundred twenty-seven thousand, four hundred eighty".