49409755 has 4 divisors (see below), whose sum is σ = 59291712. Its totient is φ = 39527800.

The previous prime is 49409749. The next prime is 49409761. The reversal of 49409755 is 55790494.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (49409749) and next prime (49409761).

It is a de Polignac number, because none of the positive numbers 2^k-49409755 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4940971 + ... + 4940980.

It is an arithmetic number, because the mean of its divisors is an integer number (14822928).

Almost surely, 2^49409755 is an apocalyptic number.

49409755 is a deficient number, since it is larger than the sum of its proper divisors (9881957).

49409755 is an equidigital number, since it uses as much as digits as its factorization.

49409755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9881956.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 49409755 is about 7029.2072810524. The cubic root of 49409755 is about 366.9477537012.

The spelling of 49409755 in words is "forty-nine million, four hundred nine thousand, seven hundred fifty-five".