49042755 has 24 divisors (see below), whose sum is σ = 86615568. Its totient is φ = 25661376.

The previous prime is 49042733. The next prime is 49042759. The reversal of 49042755 is 55724094.

49042755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49042755 - 2⁶ = 49042691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49042759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7897 + ... + 12666.

It is an arithmetic number, because the mean of its divisors is an integer number (3608982).

Almost surely, 2^49042755 is an apocalyptic number.

49042755 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

49042755 is a deficient number, since it is larger than the sum of its proper divisors (37572813).

49042755 is a wasteful number, since it uses less digits than its factorization.

49042755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20627 (or 20624 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 49042755 is about 7003.0532626848. The cubic root of 49042755 is about 366.0369710928.

The spelling of 49042755 in words is "forty-nine million, forty-two thousand, seven hundred fifty-five".