49165155 has 48 divisors (see below), whose sum is σ = 92426880. Its totient is φ = 24033024.

The previous prime is 49165117. The next prime is 49165159. The reversal of 49165155 is 55156194.

It is not a de Polignac number, because 49165155 - 2¹⁵ = 49132387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49165159) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 133782 + ... + 134148.

It is an arithmetic number, because the mean of its divisors is an integer number (1925560).

Almost surely, 2^49165155 is an apocalyptic number.

49165155 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

49165155 is a deficient number, since it is larger than the sum of its proper divisors (43261725).

49165155 is a wasteful number, since it uses less digits than its factorization.

49165155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620 (or 617 counting only the distinct ones).

The product of its digits is 27000, while the sum is 36.

The square root of 49165155 is about 7011.7868621344. The cubic root of 49165155 is about 366.3412342070.

The spelling of 49165155 in words is "forty-nine million, one hundred sixty-five thousand, one hundred fifty-five".