49531873 has 4 divisors (see below), whose sum is σ = 49551040. Its totient is φ = 49512708.

The previous prime is 49531871. The next prime is 49531891. The reversal of 49531873 is 37813594.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49531873 - 2¹ = 49531871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49531871) 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, 4965 + ... + 11122.

It is an arithmetic number, because the mean of its divisors is an integer number (12387760).

Almost surely, 2^49531873 is an apocalyptic number.

It is an amenable number.

49531873 is a deficient number, since it is larger than the sum of its proper divisors (19167).

49531873 is a wasteful number, since it uses less digits than its factorization.

49531873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19166.

The product of its digits is 90720, while the sum is 40.

The square root of 49531873 is about 7037.8883907036. Note that the first 3 decimals coincide. The cubic root of 49531873 is about 367.2498132109.

The spelling of 49531873 in words is "forty-nine million, five hundred thirty-one thousand, eight hundred seventy-three".