49977223 has 4 divisors (see below), whose sum is σ = 51139528. Its totient is φ = 48814920.

The previous prime is 49977211. The next prime is 49977227. The reversal of 49977223 is 32277994.

It is a happy number.

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 49977223 - 2¹⁷ = 49846151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 1162261 = 49977223 / (4 + 9 + 9 + 7 + 7 + 2 + 2 + 3).

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 49977223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49977227) 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, 581088 + ... + 581173.

It is an arithmetic number, because the mean of its divisors is an integer number (12784882).

Almost surely, 2^49977223 is an apocalyptic number.

49977223 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

49977223 is a deficient number, since it is larger than the sum of its proper divisors (1162305).

49977223 is a wasteful number, since it uses less digits than its factorization.

49977223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162304.

The product of its digits is 190512, while the sum is 43.

The square root of 49977223 is about 7069.4570512876. The cubic root of 49977223 is about 368.3472005772.

The spelling of 49977223 in words is "forty-nine million, nine hundred seventy-seven thousand, two hundred twenty-three".