49591853 has 4 divisors (see below), whose sum is σ = 49734300. Its totient is φ = 49449408.

The previous prime is 49591811. The next prime is 49591879. The reversal of 49591853 is 35819594.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 25020004 + 24571849 = 5002^2 + 4957^2 .

It is a cyclic number.

It is not a de Polignac number, because 49591853 - 2²² = 45397549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49591453) 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, 70700 + ... + 71397.

It is an arithmetic number, because the mean of its divisors is an integer number (12433575).

Almost surely, 2^49591853 is an apocalyptic number.

It is an amenable number.

49591853 is a deficient number, since it is larger than the sum of its proper divisors (142447).

49591853 is a wasteful number, since it uses less digits than its factorization.

49591853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142446.

The product of its digits is 194400, while the sum is 44.

The square root of 49591853 is about 7042.1483227776. The cubic root of 49591853 is about 367.3979922660.

The spelling of 49591853 in words is "forty-nine million, five hundred ninety-one thousand, eight hundred fifty-three".