49038591 has 16 divisors (see below), whose sum is σ = 79121664. Its totient is φ = 26373504.

The previous prime is 49038589. The next prime is 49038611. The reversal of 49038591 is 19583094.

It is not a de Polignac number, because 49038591 - 2¹ = 49038589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49038541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68325 + ... + 69038.

It is an arithmetic number, because the mean of its divisors is an integer number (4945104).

Almost surely, 2^49038591 is an apocalyptic number.

49038591 is a deficient number, since it is larger than the sum of its proper divisors (30083073).

49038591 is a wasteful number, since it uses less digits than its factorization.

49038591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137390.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 49038591 is about 7002.7559574785. The cubic root of 49038591 is about 366.0266112814.

The spelling of 49038591 in words is "forty-nine million, thirty-eight thousand, five hundred ninety-one".