49180159 has 4 divisors (see below), whose sum is σ = 56205904. Its totient is φ = 42154416.

The previous prime is 49180139. The next prime is 49180163. The reversal of 49180159 is 95108194.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95108194 = 2 ⋅47554097.

It is a cyclic number.

It is not a de Polignac number, because 49180159 - 2⁵ = 49180127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49180139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3512862 + ... + 3512875.

It is an arithmetic number, because the mean of its divisors is an integer number (14051476).

Almost surely, 2^49180159 is an apocalyptic number.

49180159 is a deficient number, since it is larger than the sum of its proper divisors (7025745).

49180159 is an equidigital number, since it uses as much as digits as its factorization.

49180159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7025744.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 49180159 is about 7012.8566932456. The cubic root of 49180159 is about 366.3784965379.

The spelling of 49180159 in words is "forty-nine million, one hundred eighty thousand, one hundred fifty-nine".