48055721 has 6 divisors (see below), whose sum is σ = 55901610. Its totient is φ = 41190576.

The previous prime is 48055691. The next prime is 48055727. The reversal of 48055721 is 12755084.

It can be written as a sum of positive squares in only one way, i.e., 37687321 + 10368400 = 6139^2 + 3220^2 .

It is not a de Polignac number, because 48055721 - 2¹⁰ = 48054697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48055727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 490316 + ... + 490413.

It is an arithmetic number, because the mean of its divisors is an integer number (9316935).

Almost surely, 2^48055721 is an apocalyptic number.

It is an amenable number.

48055721 is a deficient number, since it is larger than the sum of its proper divisors (7845889).

48055721 is an equidigital number, since it uses as much as digits as its factorization.

48055721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980743 (or 980736 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 48055721 is about 6932.2233807055. The cubic root of 48055721 is about 363.5646916529.

The spelling of 48055721 in words is "forty-eight million, fifty-five thousand, seven hundred twenty-one".