51371716 has 12 divisors (see below), whose sum is σ = 98073360. Its totient is φ = 23350760.

The previous prime is 51371693. The next prime is 51371741. The reversal of 51371716 is 61717315.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583726 + ... + 583813.

It is an arithmetic number, because the mean of its divisors is an integer number (8172780).

Almost surely, 2^51371716 is an apocalyptic number.

It is an amenable number.

51371716 is a deficient number, since it is larger than the sum of its proper divisors (46701644).

51371716 is a wasteful number, since it uses less digits than its factorization.

51371716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167554 (or 1167552 counting only the distinct ones).

The product of its digits is 4410, while the sum is 31.

The square root of 51371716 is about 7167.4065044478. The cubic root of 51371716 is about 371.7417659000.

It can be divided in two parts, 5137171 and 6, that multiplied together give a triangular number (30823026 = T₇₈₅₁).

The spelling of 51371716 in words is "fifty-one million, three hundred seventy-one thousand, seven hundred sixteen".