49428539 has 8 divisors (see below), whose sum is σ = 51394560. Its totient is φ = 47485800.

The previous prime is 49428529. The next prime is 49428551. The reversal of 49428539 is 93582494.

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

It is not a de Polignac number, because 49428539 - 2¹² = 49424443 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 49428539.

It is not an unprimeable number, because it can be changed into a prime (49428529) 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, 1427 + ... + 10044.

It is an arithmetic number, because the mean of its divisors is an integer number (6424320).

Almost surely, 2^49428539 is an apocalyptic number.

49428539 is a deficient number, since it is larger than the sum of its proper divisors (1966021).

49428539 is a wasteful number, since it uses less digits than its factorization.

49428539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11641.

The product of its digits is 311040, while the sum is 44.

The square root of 49428539 is about 7030.5432933736. The cubic root of 49428539 is about 366.9942483885.

The spelling of 49428539 in words is "forty-nine million, four hundred twenty-eight thousand, five hundred thirty-nine".