51040916 has 12 divisors (see below), whose sum is σ = 94022880. Its totient is φ = 24177240.

The previous prime is 51040889. The next prime is 51040931. The reversal of 51040916 is 61904015.

It is a super-2 number, since 2×51040916² = 5210350212238112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 335720 + ... + 335871.

It is an arithmetic number, because the mean of its divisors is an integer number (7835240).

Almost surely, 2^51040916 is an apocalyptic number.

It is an amenable number.

51040916 is a deficient number, since it is larger than the sum of its proper divisors (42981964).

51040916 is a wasteful number, since it uses less digits than its factorization.

51040916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671614 (or 671612 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 51040916 is about 7144.2925472016. The cubic root of 51040916 is about 370.9421230397.

The spelling of 51040916 in words is "fifty-one million, forty thousand, nine hundred sixteen".