48945790 has 16 divisors (see below), whose sum is σ = 89547840. Its totient is φ = 19257120.

The previous prime is 48945781. The next prime is 48945811. The reversal of 48945790 is 9754984.

It is a self number, because there is not a number n which added to its sum of digits gives 48945790.

It is a congruent number.

It is an unprimeable number.

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, 39510 + ... + 40729.

It is an arithmetic number, because the mean of its divisors is an integer number (5596740).

Almost surely, 2^48945790 is an apocalyptic number.

48945790 is a deficient number, since it is larger than the sum of its proper divisors (40602050).

48945790 is a wasteful number, since it uses less digits than its factorization.

48945790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80307.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 48945790 is about 6996.1267855864. The cubic root of 48945790 is about 365.7955749738.

The spelling of 48945790 in words is "forty-eight million, nine hundred forty-five thousand, seven hundred ninety".