51452116 has 12 divisors (see below), whose sum is σ = 90095040. Its totient is φ = 25710680.

The previous prime is 51452111. The next prime is 51452129. The reversal of 51452116 is 61125415.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51452111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7221 + ... + 12451.

It is an arithmetic number, because the mean of its divisors is an integer number (7507920).

Almost surely, 2^51452116 is an apocalyptic number.

It is an amenable number.

51452116 is a deficient number, since it is larger than the sum of its proper divisors (38642924).

51452116 is a wasteful number, since it uses less digits than its factorization.

51452116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7694 (or 7692 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 51452116 is about 7173.0130349805. The cubic root of 51452116 is about 371.9355979774.

The spelling of 51452116 in words is "fifty-one million, four hundred fifty-two thousand, one hundred sixteen".