49447155 has 8 divisors (see below), whose sum is σ = 79115472. Its totient is φ = 26371808.

The previous prime is 49447147. The next prime is 49447163. The reversal of 49447155 is 55174494.

49447155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (49447147) and next prime (49447163).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49447155 - 2³ = 49447147 is a prime.

It is a super-2 number, since 2×49447155² = 4890042275188050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1648224 + ... + 1648253.

It is an arithmetic number, because the mean of its divisors is an integer number (9889434).

Almost surely, 2^49447155 is an apocalyptic number.

49447155 is a deficient number, since it is larger than the sum of its proper divisors (29668317).

49447155 is a wasteful number, since it uses less digits than its factorization.

49447155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3296485.

The product of its digits is 100800, while the sum is 39.

The square root of 49447155 is about 7031.8671062528. The cubic root of 49447155 is about 367.0403156170.

The spelling of 49447155 in words is "forty-nine million, four hundred forty-seven thousand, one hundred fifty-five".