51492806 has 16 divisors (see below), whose sum is σ = 80157600. Its totient is φ = 24779328.

The previous prime is 51492797. The next prime is 51492817. The reversal of 51492806 is 60829415.

It is a super-3 number, since 3×51492806³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19586 + ... + 22058.

It is an arithmetic number, because the mean of its divisors is an integer number (5009850).

Almost surely, 2^51492806 is an apocalyptic number.

51492806 is a deficient number, since it is larger than the sum of its proper divisors (28664794).

51492806 is a wasteful number, since it uses less digits than its factorization.

51492806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 51492806 is about 7175.8487999678. The cubic root of 51492806 is about 372.0336183823.

The spelling of 51492806 in words is "fifty-one million, four hundred ninety-two thousand, eight hundred six".