49540158 has 12 divisors (see below), whose sum is σ = 107337048. Its totient is φ = 16513380.

The previous prime is 49540157. The next prime is 49540223. The reversal of 49540158 is 85104594.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49540157) 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 5 ways as a sum of consecutive naturals, for example, 1376098 + ... + 1376133.

It is an arithmetic number, because the mean of its divisors is an integer number (8944754).

Almost surely, 2^49540158 is an apocalyptic number.

49540158 is an abundant number, since it is smaller than the sum of its proper divisors (57796890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49540158 is a wasteful number, since it uses less digits than its factorization.

49540158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752239 (or 2752236 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 49540158 is about 7038.4769659352. The cubic root of 49540158 is about 367.2702882094.

The spelling of 49540158 in words is "forty-nine million, five hundred forty thousand, one hundred fifty-eight".