48921157 has 2 divisors, whose sum is σ = 48921158. Its totient is φ = 48921156.

The previous prime is 48921151. The next prime is 48921163. The reversal of 48921157 is 75112984.

It is a balanced prime because it is at equal distance from previous prime (48921151) and next prime (48921163).

It can be written as a sum of positive squares in only one way, i.e., 48011041 + 910116 = 6929^2 + 954^2 .

It is a cyclic number.

It is not a de Polignac number, because 48921157 - 2¹⁹ = 48396869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48921151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24460578 + 24460579.

It is an arithmetic number, because the mean of its divisors is an integer number (24460579).

Almost surely, 2^48921157 is an apocalyptic number.

It is an amenable number.

48921157 is a deficient number, since it is larger than the sum of its proper divisors (1).

48921157 is an equidigital number, since it uses as much as digits as its factorization.

48921157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 37.

The square root of 48921157 is about 6994.3660899327. The cubic root of 48921157 is about 365.7341999000.

The spelling of 48921157 in words is "forty-eight million, nine hundred twenty-one thousand, one hundred fifty-seven".