49471155 has 48 divisors (see below), whose sum is σ = 93649920. Its totient is φ = 24984288.

The previous prime is 49471127. The next prime is 49471157. The reversal of 49471155 is 55117494.

It is not a de Polignac number, because 49471155 - 2⁸ = 49470899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49471157) 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 47 ways as a sum of consecutive naturals, for example, 22014 + ... + 24156.

It is an arithmetic number, because the mean of its divisors is an integer number (1951040).

Almost surely, 2^49471155 is an apocalyptic number.

49471155 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

49471155 is a deficient number, since it is larger than the sum of its proper divisors (44178765).

49471155 is a wasteful number, since it uses less digits than its factorization.

49471155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2182 (or 2170 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 49471155 is about 7033.5734161236. The cubic root of 49471155 is about 367.0996890550.

The spelling of 49471155 in words is "forty-nine million, four hundred seventy-one thousand, one hundred fifty-five".