65538948 has 24 divisors (see below), whose sum is σ = 153058752. Its totient is φ = 21827104.

The previous prime is 65538947. The next prime is 65538959. The reversal of 65538948 is 84983556.

It is a happy number.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 65538897 and 65538906.

It is not an unprimeable number, because it can be changed into a prime (65538947) 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 7 ways as a sum of consecutive naturals, for example, 20686 + ... + 23642.

It is an arithmetic number, because the mean of its divisors is an integer number (6377448).

Almost surely, 2^65538948 is an apocalyptic number.

It is an amenable number.

65538948 is an abundant number, since it is smaller than the sum of its proper divisors (87519804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65538948 is a wasteful number, since it uses less digits than its factorization.

65538948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4811 (or 4809 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 48.

The square root of 65538948 is about 8095.6128860019. The cubic root of 65538948 is about 403.1807812000.

The spelling of 65538948 in words is "sixty-five million, five hundred thirty-eight thousand, nine hundred forty-eight".