48890521 has 4 divisors (see below), whose sum is σ = 51766452. Its totient is φ = 46014592.

The previous prime is 48890507. The next prime is 48890531. The reversal of 48890521 is 12509884.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43414921 + 5475600 = 6589^2 + 2340^2 .

It is a cyclic number.

It is not a de Polignac number, because 48890521 - 2⁵ = 48890489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48890531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1437940 + ... + 1437973.

It is an arithmetic number, because the mean of its divisors is an integer number (12941613).

Almost surely, 2^48890521 is an apocalyptic number.

It is an amenable number.

48890521 is a deficient number, since it is larger than the sum of its proper divisors (2875931).

48890521 is a wasteful number, since it uses less digits than its factorization.

48890521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2875930.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 48890521 is about 6992.1756985934. The cubic root of 48890521 is about 365.6578391231.

The spelling of 48890521 in words is "forty-eight million, eight hundred ninety thousand, five hundred twenty-one".