49409955 has 48 divisors (see below), whose sum is σ = 98452224. Its totient is φ = 22455360.

The previous prime is 49409951. The next prime is 49409959. The reversal of 49409955 is 55990494.

It is an interprime number because it is at equal distance from previous prime (49409951) and next prime (49409959).

It is not a de Polignac number, because 49409955 - 2² = 49409951 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 49409955.

It is not an unprimeable number, because it can be changed into a prime (49409951) 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, 71160 + ... + 71850.

It is an arithmetic number, because the mean of its divisors is an integer number (2051088).

Almost surely, 2^49409955 is an apocalyptic number.

49409955 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

49409955 is a deficient number, since it is larger than the sum of its proper divisors (49042269).

49409955 is a wasteful number, since it uses less digits than its factorization.

49409955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936 (or 933 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 49409955 is about 7029.2215073933. The cubic root of 49409955 is about 366.9482488089.

The spelling of 49409955 in words is "forty-nine million, four hundred nine thousand, nine hundred fifty-five".