49223187 has 16 divisors (see below), whose sum is σ = 78533280. Its totient is φ = 30290976.

The previous prime is 49223173. The next prime is 49223203. The reversal of 49223187 is 78132294.

It is not a de Polignac number, because 49223187 - 2¹² = 49219091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49223087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69768 + ... + 70469.

It is an arithmetic number, because the mean of its divisors is an integer number (4908330).

Almost surely, 2^49223187 is an apocalyptic number.

49223187 is a deficient number, since it is larger than the sum of its proper divisors (29310093).

49223187 is a wasteful number, since it uses less digits than its factorization.

49223187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140259 (or 140253 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 49223187 is about 7015.9238165761. The cubic root of 49223187 is about 366.4853142669.

The spelling of 49223187 in words is "forty-nine million, two hundred twenty-three thousand, one hundred eighty-seven".