48213561 has 16 divisors (see below), whose sum is σ = 71320320. Its totient is φ = 28723920.

The previous prime is 48213551. The next prime is 48213563. The reversal of 48213561 is 16531284.

It is not a de Polignac number, because 48213561 - 2¹³ = 48205369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48213563) 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 15 ways as a sum of consecutive naturals, for example, 10435 + ... + 14328.

It is an arithmetic number, because the mean of its divisors is an integer number (4457520).

Almost surely, 2^48213561 is an apocalyptic number.

It is an amenable number.

48213561 is a deficient number, since it is larger than the sum of its proper divisors (23106759).

48213561 is a wasteful number, since it uses less digits than its factorization.

48213561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24836.

The product of its digits is 5760, while the sum is 30.

The square root of 48213561 is about 6943.5985627051. The cubic root of 48213561 is about 363.9623018762.

The spelling of 48213561 in words is "forty-eight million, two hundred thirteen thousand, five hundred sixty-one".