49977319 has 8 divisors (see below), whose sum is σ = 58510368. Its totient is φ = 41792640.

The previous prime is 49977313. The next prime is 49977329. The reversal of 49977319 is 91377994.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 49977319 - 2¹⁵ = 49944551 is a prime.

It is a super-2 number, since 2×49977319² = 4995464828855522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49977313) 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, 86782 + ... + 87355.

It is an arithmetic number, because the mean of its divisors is an integer number (7313796).

Almost surely, 2^49977319 is an apocalyptic number.

49977319 is a deficient number, since it is larger than the sum of its proper divisors (8533049).

49977319 is a wasteful number, since it uses less digits than its factorization.

49977319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174185.

The product of its digits is 428652, while the sum is 49.

The square root of 49977319 is about 7069.4638410561. The cubic root of 49977319 is about 368.3474364267.

The spelling of 49977319 in words is "forty-nine million, nine hundred seventy-seven thousand, three hundred nineteen".