51306741 has 12 divisors (see below), whose sum is σ = 74204832. Its totient is φ = 34160616.

The previous prime is 51306737. The next prime is 51306743. The reversal of 51306741 is 14760315.

It is not a de Polignac number, because 51306741 - 2² = 51306737 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51306743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4770 + ... + 11196.

It is an arithmetic number, because the mean of its divisors is an integer number (6183736).

Almost surely, 2^51306741 is an apocalyptic number.

It is an amenable number.

51306741 is a deficient number, since it is larger than the sum of its proper divisors (22898091).

51306741 is a wasteful number, since it uses less digits than its factorization.

51306741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7320 (or 7317 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 51306741 is about 7162.8723986959. The cubic root of 51306741 is about 371.5849733198.

The spelling of 51306741 in words is "fifty-one million, three hundred six thousand, seven hundred forty-one".