49221253 has 4 divisors (see below), whose sum is σ = 49235328. Its totient is φ = 49207180.

The previous prime is 49221233. The next prime is 49221269. The reversal of 49221253 is 35212294.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 49221253 - 2⁹ = 49220741 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 (49221203) 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, 2700 + ... + 10282.

It is an arithmetic number, because the mean of its divisors is an integer number (12308832).

Almost surely, 2^49221253 is an apocalyptic number.

It is an amenable number.

49221253 is a deficient number, since it is larger than the sum of its proper divisors (14075).

49221253 is an equidigital number, since it uses as much as digits as its factorization.

49221253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14074.

The product of its digits is 4320, while the sum is 28.

The square root of 49221253 is about 7015.7859859035. The cubic root of 49221253 is about 366.4805144160.

The spelling of 49221253 in words is "forty-nine million, two hundred twenty-one thousand, two hundred fifty-three".