51414460 has 96 divisors (see below), whose sum is σ = 121117248. Its totient is φ = 18247680.

The previous prime is 51414449. The next prime is 51414469. The reversal of 51414460 is 6441415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51414469) 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 31 ways as a sum of consecutive naturals, for example, 767347 + ... + 767413.

It is an arithmetic number, because the mean of its divisors is an integer number (1261638).

Almost surely, 2^51414460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51414460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60558624).

51414460 is an abundant number, since it is smaller than the sum of its proper divisors (69702788).

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

51414460 is a wasteful number, since it uses less digits than its factorization.

51414460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 51414460 is about 7170.3877161559. The cubic root of 51414460 is about 371.8448402912.

Adding to 51414460 its reverse (6441415), we get a palindrome (57855875).

It can be divided in two parts, 514 and 14460, that multiplied together give a triangular number (7432440 = T₃₈₅₅).

The spelling of 51414460 in words is "fifty-one million, four hundred fourteen thousand, four hundred sixty".