49978755 has 16 divisors (see below), whose sum is σ = 88851360. Its totient is φ = 26655264.

The previous prime is 49978729. The next prime is 49978777. The reversal of 49978755 is 55787994.

It is not a de Polignac number, because 49978755 - 2⁷ = 49978627 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184972 + ... + 185241.

It is an arithmetic number, because the mean of its divisors is an integer number (5553210).

Almost surely, 2^49978755 is an apocalyptic number.

49978755 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

49978755 is a deficient number, since it is larger than the sum of its proper divisors (38872605).

49978755 is a wasteful number, since it uses less digits than its factorization.

49978755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370227 (or 370221 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 54.

The square root of 49978755 is about 7069.5654038986. The cubic root of 49978755 is about 368.3509643060.

The spelling of 49978755 in words is "forty-nine million, nine hundred seventy-eight thousand, seven hundred fifty-five".