49077591 has 4 divisors (see below), whose sum is σ = 65436792. Its totient is φ = 32718392.

The previous prime is 49077569. The next prime is 49077593. The reversal of 49077591 is 19577094.

It is a happy number.

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 49077591 - 2⁵ = 49077559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49077593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8179596 + ... + 8179601.

It is an arithmetic number, because the mean of its divisors is an integer number (16359198).

Almost surely, 2^49077591 is an apocalyptic number.

49077591 is a deficient number, since it is larger than the sum of its proper divisors (16359201).

49077591 is a wasteful number, since it uses less digits than its factorization.

49077591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16359200.

The product of its (nonzero) digits is 79380, while the sum is 42.

The square root of 49077591 is about 7005.5400220112. The cubic root of 49077591 is about 366.1236182504.

The spelling of 49077591 in words is "forty-nine million, seventy-seven thousand, five hundred ninety-one".