48021911 has 12 divisors (see below), whose sum is σ = 58803480. Its totient is φ = 38994480.

The previous prime is 48021881. The next prime is 48021931. The reversal of 48021911 is 11912084.

It is a de Polignac number, because none of the positive numbers 2^k-48021911 is a prime.

It is a super-2 number, since 2×48021911² = 4612207872183842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48021931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24860 + ... + 26721.

It is an arithmetic number, because the mean of its divisors is an integer number (4900290).

Almost surely, 2^48021911 is an apocalyptic number.

48021911 is a deficient number, since it is larger than the sum of its proper divisors (10781569).

48021911 is a wasteful number, since it uses less digits than its factorization.

48021911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51614 (or 51607 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 48021911 is about 6929.7843400787. The cubic root of 48021911 is about 363.4794086673.

Adding to 48021911 its reverse (11912084), we get a palindrome (59933995).

The spelling of 48021911 in words is "forty-eight million, twenty-one thousand, nine hundred eleven".