49359591 has 16 divisors (see below), whose sum is σ = 75103200. Its totient is φ = 32016384.

The previous prime is 49359581. The next prime is 49359599. The reversal of 49359591 is 19595394.

It is a happy number.

49359591 is a `hidden beast` number, since 4 + 9 + 3 + 59 + 591 = 666.

It is not a de Polignac number, because 49359591 - 2⁵ = 49359559 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49359599) 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, 23706 + ... + 25703.

It is an arithmetic number, because the mean of its divisors is an integer number (4693950).

Almost surely, 2^49359591 is an apocalyptic number.

49359591 is a deficient number, since it is larger than the sum of its proper divisors (25743609).

49359591 is a wasteful number, since it uses less digits than its factorization.

49359591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49455 (or 49449 counting only the distinct ones).

The product of its digits is 218700, while the sum is 45.

The square root of 49359591 is about 7025.6381204841. The cubic root of 49359591 is about 366.8235285682.

It can be divided in two parts, 4935 and 9591, that multiplied together give a triangular number (47331585 = T₉₇₂₉).

The spelling of 49359591 in words is "forty-nine million, three hundred fifty-nine thousand, five hundred ninety-one".