51769888 has 12 divisors (see below), whose sum is σ = 101922030. Its totient is φ = 25884928.

The previous prime is 51769871. The next prime is 51769891. The reversal of 51769888 is 88896715.

It can be written as a sum of positive squares in only one way, i.e., 49730704 + 2039184 = 7052^2 + 1428^2 .

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, 808873 + ... + 808936.

Almost surely, 2^51769888 is an apocalyptic number.

It is an amenable number.

51769888 is a deficient number, since it is larger than the sum of its proper divisors (50152142).

51769888 is a wasteful number, since it uses less digits than its factorization.

51769888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617819 (or 1617811 counting only the distinct ones).

The product of its digits is 967680, while the sum is 52.

The square root of 51769888 is about 7195.1294637414. The cubic root of 51769888 is about 372.6997274328.

The spelling of 51769888 in words is "fifty-one million, seven hundred sixty-nine thousand, eight hundred eighty-eight".