49157115 has 32 divisors (see below), whose sum is σ = 95178240. Its totient is φ = 21149184.

The previous prime is 49157113. The next prime is 49157131. The reversal of 49157115 is 51175194.

It is not a de Polignac number, because 49157115 - 2¹ = 49157113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49157111) 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 31 ways as a sum of consecutive naturals, for example, 11985 + ... + 15554.

It is an arithmetic number, because the mean of its divisors is an integer number (2974320).

Almost surely, 2^49157115 is an apocalyptic number.

49157115 is a deficient number, since it is larger than the sum of its proper divisors (46021125).

49157115 is a wasteful number, since it uses less digits than its factorization.

49157115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27571.

The product of its digits is 6300, while the sum is 33.

The square root of 49157115 is about 7011.2135183576. The cubic root of 49157115 is about 366.3212638025.

The spelling of 49157115 in words is "forty-nine million, one hundred fifty-seven thousand, one hundred fifteen".