49155091 has 8 divisors (see below), whose sum is σ = 50299200. Its totient is φ = 48015168.

The previous prime is 49155089. The next prime is 49155103. The reversal of 49155091 is 19055194.

It is a happy number.

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 49155091 - 2¹ = 49155089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49155031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46335 + ... + 47383.

It is an arithmetic number, because the mean of its divisors is an integer number (6287400).

Almost surely, 2^49155091 is an apocalyptic number.

49155091 is a deficient number, since it is larger than the sum of its proper divisors (1144109).

49155091 is a wasteful number, since it uses less digits than its factorization.

49155091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 49155091 is about 7011.0691766663. The cubic root of 49155091 is about 366.3162360840.

The spelling of 49155091 in words is "forty-nine million, one hundred fifty-five thousand, ninety-one".