49091583 has 4 divisors (see below), whose sum is σ = 65455448. Its totient is φ = 32727720.

The previous prime is 49091579. The next prime is 49091587. The reversal of 49091583 is 38519094.

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 (49091579) and next prime (49091587).

It is not a de Polignac number, because 49091583 - 2² = 49091579 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49091587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8181928 + ... + 8181933.

It is an arithmetic number, because the mean of its divisors is an integer number (16363862).

Almost surely, 2^49091583 is an apocalyptic number.

49091583 is a deficient number, since it is larger than the sum of its proper divisors (16363865).

49091583 is a wasteful number, since it uses less digits than its factorization.

49091583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16363864.

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

The square root of 49091583 is about 7006.5385890609. The cubic root of 49091583 is about 366.1584088395.

The spelling of 49091583 in words is "forty-nine million, ninety-one thousand, five hundred eighty-three".