49909023 has 6 divisors (see below), whose sum is σ = 72090824. Its totient is φ = 33272676.

The previous prime is 49909021. The next prime is 49909051. The reversal of 49909023 is 32090994.

It is not a de Polignac number, because 49909023 - 2¹ = 49909021 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 (49909021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2772715 + ... + 2772732.

Almost surely, 2^49909023 is an apocalyptic number.

49909023 is a deficient number, since it is larger than the sum of its proper divisors (22181801).

49909023 is a wasteful number, since it uses less digits than its factorization.

49909023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5545453 (or 5545450 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 49909023 is about 7064.6318375411. The cubic root of 49909023 is about 368.1795727842.

The spelling of 49909023 in words is "forty-nine million, nine hundred nine thousand, twenty-three".