49221407 has 4 divisors (see below), whose sum is σ = 49814520. Its totient is φ = 48628296.

The previous prime is 49221379. The next prime is 49221421. The reversal of 49221407 is 70412294.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49221407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49221407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49221427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296432 + ... + 296597.

It is an arithmetic number, because the mean of its divisors is an integer number (12453630).

Almost surely, 2^49221407 is an apocalyptic number.

49221407 is a deficient number, since it is larger than the sum of its proper divisors (593113).

49221407 is an equidigital number, since it uses as much as digits as its factorization.

49221407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593112.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 49221407 is about 7015.7969611442. The cubic root of 49221407 is about 366.4808966218.

The spelling of 49221407 in words is "forty-nine million, two hundred twenty-one thousand, four hundred seven".