48943990 has 16 divisors (see below), whose sum is σ = 88179840. Its totient is φ = 19559680.

The previous prime is 48943957. The next prime is 48943997. The reversal of 48943990 is 9934984.

It is a self number, because there is not a number n which added to its sum of digits gives 48943990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48943997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17595 + ... + 20185.

It is an arithmetic number, because the mean of its divisors is an integer number (5511240).

Almost surely, 2^48943990 is an apocalyptic number.

48943990 is a deficient number, since it is larger than the sum of its proper divisors (39235850).

48943990 is a wasteful number, since it uses less digits than its factorization.

48943990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4487.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 48943990 is about 6995.9981417951. The cubic root of 48943990 is about 365.7910908285.

The spelling of 48943990 in words is "forty-eight million, nine hundred forty-three thousand, nine hundred ninety".