51769966 has 8 divisors (see below), whose sum is σ = 77687064. Its totient is φ = 25874280.

The previous prime is 51769961. The next prime is 51769973. The reversal of 51769966 is 66996715.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51769961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3876 + ... + 10888.

It is an arithmetic number, because the mean of its divisors is an integer number (9710883).

Almost surely, 2^51769966 is an apocalyptic number.

51769966 is a deficient number, since it is larger than the sum of its proper divisors (25917098).

51769966 is a wasteful number, since it uses less digits than its factorization.

51769966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10706.

The product of its digits is 612360, while the sum is 49.

The square root of 51769966 is about 7195.1348840727. The cubic root of 51769966 is about 372.6999146109.

The spelling of 51769966 in words is "fifty-one million, seven hundred sixty-nine thousand, nine hundred sixty-six".