51077144 has 16 divisors (see below), whose sum is σ = 98106120. Its totient is φ = 24915520.

The previous prime is 51077137. The next prime is 51077153. The reversal of 51077144 is 44177015.

It is a congruent number.

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, 77534 + ... + 78189.

Almost surely, 2^51077144 is an apocalyptic number.

It is an amenable number.

51077144 is a deficient number, since it is larger than the sum of its proper divisors (47028976).

51077144 is a wasteful number, since it uses less digits than its factorization.

51077144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155770 (or 155766 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 51077144 is about 7146.8275479404. The cubic root of 51077144 is about 371.0298651498.

The spelling of 51077144 in words is "fifty-one million, seventy-seven thousand, one hundred forty-four".