49091045 has 16 divisors (see below), whose sum is σ = 60739200. Its totient is φ = 38061504.

The previous prime is 49091027. The next prime is 49091051. The reversal of 49091045 is 54019094.

It is a cyclic number.

It is not a de Polignac number, because 49091045 - 2¹⁰ = 49090021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81656 + ... + 82254.

It is an arithmetic number, because the mean of its divisors is an integer number (3796200).

Almost surely, 2^49091045 is an apocalyptic number.

It is an amenable number.

49091045 is a deficient number, since it is larger than the sum of its proper divisors (11648155).

49091045 is a wasteful number, since it uses less digits than its factorization.

49091045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 49091045 is about 7006.5001962463. The cubic root of 49091045 is about 366.1570712447.

The spelling of 49091045 in words is "forty-nine million, ninety-one thousand, forty-five".