49088991 has 8 divisors (see below), whose sum is σ = 74802304. Its totient is φ = 28050840.

The previous prime is 49088983. The next prime is 49089011. The reversal of 49088991 is 19988094.

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

It is not a de Polignac number, because 49088991 - 2³ = 49088983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49088991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49088891) 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, 1168765 + ... + 1168806.

It is an arithmetic number, because the mean of its divisors is an integer number (9350288).

Almost surely, 2^49088991 is an apocalyptic number.

49088991 is a deficient number, since it is larger than the sum of its proper divisors (25713313).

49088991 is a wasteful number, since it uses less digits than its factorization.

49088991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337581.

The product of its (nonzero) digits is 186624, while the sum is 48.

The square root of 49088991 is about 7006.3536165398. The cubic root of 49088991 is about 366.1519644266.

The spelling of 49088991 in words is "forty-nine million, eighty-eight thousand, nine hundred ninety-one".