51888765 has 16 divisors (see below), whose sum is σ = 84161088. Its totient is φ = 27294336.

The previous prime is 51888751. The next prime is 51888769. The reversal of 51888765 is 56788815.

It is not a de Polignac number, because 51888765 - 2⁸ = 51888509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51888769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22599 + ... + 24788.

It is an arithmetic number, because the mean of its divisors is an integer number (5260068).

Almost surely, 2^51888765 is an apocalyptic number.

It is an amenable number.

51888765 is a deficient number, since it is larger than the sum of its proper divisors (32272323).

51888765 is a wasteful number, since it uses less digits than its factorization.

51888765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47468.

The product of its digits is 537600, while the sum is 48.

The square root of 51888765 is about 7203.3856623119. The cubic root of 51888765 is about 372.9847808888.

The spelling of 51888765 in words is "fifty-one million, eight hundred eighty-eight thousand, seven hundred sixty-five".