49978255 has 8 divisors (see below), whose sum is σ = 61368912. Its totient is φ = 39052608.

The previous prime is 49978237. The next prime is 49978259. The reversal of 49978255 is 55287994.

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 49978255 - 2⁷ = 49978127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49978199 and 49978208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49978259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116014 + ... + 116443.

It is an arithmetic number, because the mean of its divisors is an integer number (7671114).

Almost surely, 2^49978255 is an apocalyptic number.

49978255 is a deficient number, since it is larger than the sum of its proper divisors (11390657).

49978255 is a wasteful number, since it uses less digits than its factorization.

49978255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232505.

The product of its digits is 907200, while the sum is 49.

The square root of 49978255 is about 7069.5300409575. The cubic root of 49978255 is about 368.3497359434.

The spelling of 49978255 in words is "forty-nine million, nine hundred seventy-eight thousand, two hundred fifty-five".