51799766 has 8 divisors (see below), whose sum is σ = 77896560. Its totient is φ = 25834248.

The previous prime is 51799733. The next prime is 51799793. The reversal of 51799766 is 66799715.

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

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, 31826 + ... + 33413.

It is an arithmetic number, because the mean of its divisors is an integer number (9737070).

Almost surely, 2^51799766 is an apocalyptic number.

51799766 is a deficient number, since it is larger than the sum of its proper divisors (26096794).

51799766 is a wasteful number, since it uses less digits than its factorization.

51799766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65638.

The product of its digits is 714420, while the sum is 50.

The square root of 51799766 is about 7197.2054298874. The cubic root of 51799766 is about 372.7714124821.

The spelling of 51799766 in words is "fifty-one million, seven hundred ninety-nine thousand, seven hundred sixty-six".