48155591 has 8 divisors (see below), whose sum is σ = 52589568. Its totient is φ = 43731000.

The previous prime is 48155587. The next prime is 48155603. The reversal of 48155591 is 19555184.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 48155591 - 2² = 48155587 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48155791) 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 7 ways as a sum of consecutive naturals, for example, 12506 + ... + 15896.

It is an arithmetic number, because the mean of its divisors is an integer number (6573696).

Almost surely, 2^48155591 is an apocalyptic number.

48155591 is a deficient number, since it is larger than the sum of its proper divisors (4433977).

48155591 is a wasteful number, since it uses less digits than its factorization.

48155591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4693.

The product of its digits is 36000, while the sum is 38.

The square root of 48155591 is about 6939.4229587193. The cubic root of 48155591 is about 363.8163722801.

The spelling of 48155591 in words is "forty-eight million, one hundred fifty-five thousand, five hundred ninety-one".