49980806 has 4 divisors (see below), whose sum is σ = 74971212. Its totient is φ = 24990402.

The previous prime is 49980781. The next prime is 49980841. The reversal of 49980806 is 60808994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60808994 = 2 ⋅30404497.

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 as a sum of consecutive naturals, namely, 12495200 + ... + 12495203.

It is an arithmetic number, because the mean of its divisors is an integer number (18742803).

Almost surely, 2^49980806 is an apocalyptic number.

49980806 is a deficient number, since it is larger than the sum of its proper divisors (24990406).

49980806 is a wasteful number, since it uses less digits than its factorization.

49980806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24990405.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 49980806 is about 7069.7104608322. The cubic root of 49980806 is about 368.3560029635.

The spelling of 49980806 in words is "forty-nine million, nine hundred eighty thousand, eight hundred six".