51736744 has 8 divisors (see below), whose sum is σ = 97006410. Its totient is φ = 25868368.

The previous prime is 51736733. The next prime is 51736757. The reversal of 51736744 is 44763715.

It can be written as a sum of positive squares in only one way, i.e., 27352900 + 24383844 = 5230^2 + 4938^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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 as a sum of consecutive naturals, namely, 3233539 + ... + 3233554.

Almost surely, 2^51736744 is an apocalyptic number.

It is an amenable number.

51736744 is a deficient number, since it is larger than the sum of its proper divisors (45269666).

51736744 is a wasteful number, since it uses less digits than its factorization.

51736744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6467099 (or 6467095 counting only the distinct ones).

The product of its digits is 70560, while the sum is 37.

The square root of 51736744 is about 7192.8258702682. The cubic root of 51736744 is about 372.6201741292.

The spelling of 51736744 in words is "fifty-one million, seven hundred thirty-six thousand, seven hundred forty-four".