48945591 has 12 divisors (see below), whose sum is σ = 73137480. Its totient is φ = 31505040.

The previous prime is 48945583. The next prime is 48945599. The reversal of 48945591 is 19554984.

48945591 is a `hidden beast` number, since 4 + 8 + 94 + 559 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (48945583) and next prime (48945599).

It is not a de Polignac number, because 48945591 - 2³ = 48945583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48945599) 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 11 ways as a sum of consecutive naturals, for example, 93505 + ... + 94026.

It is an arithmetic number, because the mean of its divisors is an integer number (6094790).

Almost surely, 2^48945591 is an apocalyptic number.

48945591 is a deficient number, since it is larger than the sum of its proper divisors (24191889).

48945591 is a wasteful number, since it uses less digits than its factorization.

48945591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187566 (or 187563 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 48945591 is about 6996.1125634169. The cubic root of 48945591 is about 365.7950792320.

The spelling of 48945591 in words is "forty-eight million, nine hundred forty-five thousand, five hundred ninety-one".