49356591 has 4 divisors (see below), whose sum is σ = 65808792. Its totient is φ = 32904392.

The previous prime is 49356581. The next prime is 49356653. The reversal of 49356591 is 19565394.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49356591 - 2¹⁰ = 49355567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49356581) 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, 8226096 + ... + 8226101.

It is an arithmetic number, because the mean of its divisors is an integer number (16452198).

Almost surely, 2^49356591 is an apocalyptic number.

49356591 is a deficient number, since it is larger than the sum of its proper divisors (16452201).

49356591 is a wasteful number, since it uses less digits than its factorization.

49356591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16452200.

The product of its digits is 145800, while the sum is 42.

The square root of 49356591 is about 7025.4246135020. The cubic root of 49356591 is about 366.8160967611.

The spelling of 49356591 in words is "forty-nine million, three hundred fifty-six thousand, five hundred ninety-one".