51745416 has 32 divisors (see below), whose sum is σ = 136974240. Its totient is φ = 16233728.

The previous prime is 51745387. The next prime is 51745427. The reversal of 51745416 is 61454715.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63006 + ... + 63821.

It is an arithmetic number, because the mean of its divisors is an integer number (4280445).

Almost surely, 2^51745416 is an apocalyptic number.

It is an amenable number.

51745416 is an abundant number, since it is smaller than the sum of its proper divisors (85228824).

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

51745416 is a wasteful number, since it uses less digits than its factorization.

51745416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126853 (or 126849 counting only the distinct ones).

The product of its digits is 16800, while the sum is 33.

The square root of 51745416 is about 7193.4286678885. The cubic root of 51745416 is about 372.6409922259.

The spelling of 51745416 in words is "fifty-one million, seven hundred forty-five thousand, four hundred sixteen".