48665920 has 28 divisors (see below), whose sum is σ = 115886484. Its totient is φ = 19466240.

The previous prime is 48665899. The next prime is 48665923. The reversal of 48665920 is 2956684.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15303744 + 33362176 = 3912^2 + 5776^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48665923) 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, 75721 + ... + 76360.

It is an arithmetic number, because the mean of its divisors is an integer number (4138803).

Almost surely, 2^48665920 is an apocalyptic number.

48665920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48665920 is an abundant number, since it is smaller than the sum of its proper divisors (67220564).

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

48665920 is a wasteful number, since it uses less digits than its factorization.

48665920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152098 (or 152088 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 48665920 is about 6976.0963296101. The cubic root of 48665920 is about 365.0970405645.

The spelling of 48665920 in words is "forty-eight million, six hundred sixty-five thousand, nine hundred twenty".