51614140 has 12 divisors (see below), whose sum is σ = 108389736. Its totient is φ = 20645648.

The previous prime is 51614137. The next prime is 51614153. The reversal of 51614140 is 4141615.

51614140 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 3 ways as a sum of consecutive naturals, for example, 1290334 + ... + 1290373.

It is an arithmetic number, because the mean of its divisors is an integer number (9032478).

Almost surely, 2^51614140 is an apocalyptic number.

It is an amenable number.

51614140 is an abundant number, since it is smaller than the sum of its proper divisors (56775596).

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

51614140 is a wasteful number, since it uses less digits than its factorization.

51614140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580716 (or 2580714 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 51614140 is about 7184.2981563964. The cubic root of 51614140 is about 372.3256003875.

Adding to 51614140 its reverse (4141615), we get a palindrome (55755755).

The spelling of 51614140 in words is "fifty-one million, six hundred fourteen thousand, one hundred forty".