48515890 has 16 divisors (see below), whose sum is σ = 87917400. Its totient is φ = 19275520.

The previous prime is 48515881. The next prime is 48515893. The reversal of 48515890 is 9851584.

It can be written as a sum of positive squares in 4 ways, for example, as 35892081 + 12623809 = 5991^2 + 3553^2 .

It is not an unprimeable number, because it can be changed into a prime (48515893) 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, 14791 + ... + 17770.

Almost surely, 2^48515890 is an apocalyptic number.

48515890 is a deficient number, since it is larger than the sum of its proper divisors (39401510).

48515890 is a wasteful number, since it uses less digits than its factorization.

48515890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32717.

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 48515890 is about 6965.3348806787. The cubic root of 48515890 is about 364.7214738851.

The spelling of 48515890 in words is "forty-eight million, five hundred fifteen thousand, eight hundred ninety".