49803897 has 32 divisors (see below), whose sum is σ = 82615680. Its totient is φ = 26219520.

The previous prime is 49803857. The next prime is 49803907. The reversal of 49803897 is 79830894.

It is not a de Polignac number, because 49803897 - 2¹⁸ = 49541753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49803827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3879 + ... + 10707.

It is an arithmetic number, because the mean of its divisors is an integer number (2581740).

Almost surely, 2^49803897 is an apocalyptic number.

It is an amenable number.

49803897 is a deficient number, since it is larger than the sum of its proper divisors (32811783).

49803897 is a wasteful number, since it uses less digits than its factorization.

49803897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6873.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 49803897 is about 7057.1876126400. The cubic root of 49803897 is about 367.9208857378.

The spelling of 49803897 in words is "forty-nine million, eight hundred three thousand, eight hundred ninety-seven".