49229821 has 8 divisors (see below), whose sum is σ = 52464384. Its totient is φ = 46086480.

The previous prime is 49229819. The next prime is 49229827. The reversal of 49229821 is 12892294.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49229821 - 2¹ = 49229819 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 (49229827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21690 + ... + 23851.

It is an arithmetic number, because the mean of its divisors is an integer number (6558048).

Almost surely, 2^49229821 is an apocalyptic number.

It is an amenable number.

49229821 is a deficient number, since it is larger than the sum of its proper divisors (3234563).

49229821 is a wasteful number, since it uses less digits than its factorization.

49229821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45611.

The product of its digits is 20736, while the sum is 37.

The square root of 49229821 is about 7016.3965822921. The cubic root of 49229821 is about 366.5017777435.

The spelling of 49229821 in words is "forty-nine million, two hundred twenty-nine thousand, eight hundred twenty-one".