49536591 has 16 divisors (see below), whose sum is σ = 74874240. Its totient is φ = 28879200.

The previous prime is 49536587. The next prime is 49536659. The reversal of 49536591 is 19563594.

It is not a de Polignac number, because 49536591 - 2² = 49536587 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49536581) 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, 32685 + ... + 34166.

It is an arithmetic number, because the mean of its divisors is an integer number (4679640).

Almost surely, 2^49536591 is an apocalyptic number.

49536591 is a deficient number, since it is larger than the sum of its proper divisors (25337649).

49536591 is a wasteful number, since it uses less digits than its factorization.

49536591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66886.

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

The square root of 49536591 is about 7038.2235684866. The cubic root of 49536591 is about 367.2614732425.

The spelling of 49536591 in words is "forty-nine million, five hundred thirty-six thousand, five hundred ninety-one".