49538023 has 4 divisors (see below), whose sum is σ = 50094720. Its totient is φ = 48981328.

The previous prime is 49538009. The next prime is 49538029. The reversal of 49538023 is 32083594.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32083594 = 2 ⋅16041797.

It is not a de Polignac number, because 49538023 - 2²¹ = 47440871 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 49538023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49538029) 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, 278215 + ... + 278392.

It is an arithmetic number, because the mean of its divisors is an integer number (12523680).

Almost surely, 2^49538023 is an apocalyptic number.

49538023 is a deficient number, since it is larger than the sum of its proper divisors (556697).

49538023 is an equidigital number, since it uses as much as digits as its factorization.

49538023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556696.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 49538023 is about 7038.3252979668. The cubic root of 49538023 is about 367.2650121306.

The spelling of 49538023 in words is "forty-nine million, five hundred thirty-eight thousand, twenty-three".