49904805 has 16 divisors (see below), whose sum is σ = 80360064. Its totient is φ = 26445120.

The previous prime is 49904797. The next prime is 49904819. The reversal of 49904805 is 50840994.

It is not a de Polignac number, because 49904805 - 2³ = 49904797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8241 + ... + 12950.

It is an arithmetic number, because the mean of its divisors is an integer number (5022504).

Almost surely, 2^49904805 is an apocalyptic number.

It is an amenable number.

49904805 is a deficient number, since it is larger than the sum of its proper divisors (30455259).

49904805 is a wasteful number, since it uses less digits than its factorization.

49904805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21356.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 49904805 is about 7064.3333018764. Note that the first 4 decimals coincide. The cubic root of 49904805 is about 368.1692004100.

The spelling of 49904805 in words is "forty-nine million, nine hundred four thousand, eight hundred five".