49028423 has 4 divisors (see below), whose sum is σ = 49070448. Its totient is φ = 48986400.

The previous prime is 49028401. The next prime is 49028429. The reversal of 49028423 is 32482094.

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 49028423 - 2¹⁶ = 48962887 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 49028423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49028429) 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, 19211 + ... + 21612.

It is an arithmetic number, because the mean of its divisors is an integer number (12267612).

Almost surely, 2^49028423 is an apocalyptic number.

49028423 is a deficient number, since it is larger than the sum of its proper divisors (42025).

49028423 is a wasteful number, since it uses less digits than its factorization.

49028423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42024.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 49028423 is about 7002.0299199589. The cubic root of 49028423 is about 366.0013113712.

The spelling of 49028423 in words is "forty-nine million, twenty-eight thousand, four hundred twenty-three".