49508551 has 4 divisors (see below), whose sum is σ = 49568400. Its totient is φ = 49448704.

The previous prime is 49508549. The next prime is 49508617. The reversal of 49508551 is 15580594.

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 49508551 - 2¹ = 49508549 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49508551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49508051) 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, 28666 + ... + 30343.

It is an arithmetic number, because the mean of its divisors is an integer number (12392100).

Almost surely, 2^49508551 is an apocalyptic number.

49508551 is a deficient number, since it is larger than the sum of its proper divisors (59849).

49508551 is an equidigital number, since it uses as much as digits as its factorization.

49508551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59848.

The product of its (nonzero) digits is 36000, while the sum is 37.

The square root of 49508551 is about 7036.2313066016. The cubic root of 49508551 is about 367.1921645075.

The spelling of 49508551 in words is "forty-nine million, five hundred eight thousand, five hundred fifty-one".