49442311 has 4 divisors (see below), whose sum is σ = 49474152. Its totient is φ = 49410472.

The previous prime is 49442299. The next prime is 49442317. The reversal of 49442311 is 11324494.

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

It is a cyclic number.

It is not a de Polignac number, because 49442311 - 2⁵ = 49442279 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 49442311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49442317) 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, 13465 + ... + 16738.

It is an arithmetic number, because the mean of its divisors is an integer number (12368538).

Almost surely, 2^49442311 is an apocalyptic number.

49442311 is a deficient number, since it is larger than the sum of its proper divisors (31841).

49442311 is a wasteful number, since it uses less digits than its factorization.

49442311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31840.

The product of its digits is 3456, while the sum is 28.

The square root of 49442311 is about 7031.5226658242. The cubic root of 49442311 is about 367.0283297481.

The spelling of 49442311 in words is "forty-nine million, four hundred forty-two thousand, three hundred eleven".