49853919 has 4 divisors (see below), whose sum is σ = 66471896. Its totient is φ = 33235944.

The previous prime is 49853917. The next prime is 49853927. The reversal of 49853919 is 91935894.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 49853919 - 2¹ = 49853917 is a prime.

It is a super-2 number, since 2×49853919² = 4970826479317122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49853917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8308984 + ... + 8308989.

It is an arithmetic number, because the mean of its divisors is an integer number (16617974).

Almost surely, 2^49853919 is an apocalyptic number.

49853919 is a deficient number, since it is larger than the sum of its proper divisors (16617977).

49853919 is a wasteful number, since it uses less digits than its factorization.

49853919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16617976.

The product of its digits is 349920, while the sum is 48.

The square root of 49853919 is about 7060.7307695450. The cubic root of 49853919 is about 368.0440218879.

The spelling of 49853919 in words is "forty-nine million, eight hundred fifty-three thousand, nine hundred nineteen".