48157621 has 2 divisors, whose sum is σ = 48157622. Its totient is φ = 48157620.

The previous prime is 48157591. The next prime is 48157631. The reversal of 48157621 is 12675184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38266596 + 9891025 = 6186^2 + 3145^2 .

It is a cyclic number.

It is not a de Polignac number, because 48157621 - 2¹³ = 48149429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48157631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24078810 + 24078811.

It is an arithmetic number, because the mean of its divisors is an integer number (24078811).

Almost surely, 2^48157621 is an apocalyptic number.

It is an amenable number.

48157621 is a deficient number, since it is larger than the sum of its proper divisors (1).

48157621 is an equidigital number, since it uses as much as digits as its factorization.

48157621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 34.

The square root of 48157621 is about 6939.5692229417. The cubic root of 48157621 is about 363.8214844374.

The spelling of 48157621 in words is "forty-eight million, one hundred fifty-seven thousand, six hundred twenty-one".