49542291 has 12 divisors (see below), whose sum is σ = 75327720. Its totient is φ = 31289760.

The previous prime is 49542289. The next prime is 49542307. The reversal of 49542291 is 19224594.

It is not a de Polignac number, because 49542291 - 2¹ = 49542289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49542191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144690 + ... + 145031.

It is an arithmetic number, because the mean of its divisors is an integer number (6277310).

Almost surely, 2^49542291 is an apocalyptic number.

49542291 is a deficient number, since it is larger than the sum of its proper divisors (25785429).

49542291 is a wasteful number, since it uses less digits than its factorization.

49542291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289746 (or 289743 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 49542291 is about 7038.6284885622. The cubic root of 49542291 is about 367.2755591944.

The spelling of 49542291 in words is "forty-nine million, five hundred forty-two thousand, two hundred ninety-one".