48155321 has 2 divisors, whose sum is σ = 48155322. Its totient is φ = 48155320.

The previous prime is 48155311. The next prime is 48155333. The reversal of 48155321 is 12355184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31866025 + 16289296 = 5645^2 + 4036^2 .

It is a cyclic number.

It is not a de Polignac number, because 48155321 - 2⁶ = 48155257 is a prime.

It is a super-2 number, since 2×48155321² = 4637869881226082, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48155311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24077660 + 24077661.

It is an arithmetic number, because the mean of its divisors is an integer number (24077661).

Almost surely, 2^48155321 is an apocalyptic number.

It is an amenable number.

48155321 is a deficient number, since it is larger than the sum of its proper divisors (1).

48155321 is an equidigital number, since it uses as much as digits as its factorization.

48155321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 29.

The square root of 48155321 is about 6939.4035046249. The cubic root of 48155321 is about 363.8156923272.

The spelling of 48155321 in words is "forty-eight million, one hundred fifty-five thousand, three hundred twenty-one".