48557819 has 2 divisors, whose sum is σ = 48557820. Its totient is φ = 48557818.

The previous prime is 48557783. The next prime is 48557827. The reversal of 48557819 is 91875584.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 48557819 - 2²⁰ = 47509243 is a prime.

It is a super-2 number, since 2×48557819² = 4715723572073522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48557849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24278909 + 24278910.

It is an arithmetic number, because the mean of its divisors is an integer number (24278910).

Almost surely, 2^48557819 is an apocalyptic number.

48557819 is a deficient number, since it is larger than the sum of its proper divisors (1).

48557819 is an equidigital number, since it uses as much as digits as its factorization.

48557819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 403200, while the sum is 47.

The square root of 48557819 is about 6968.3440644101. The cubic root of 48557819 is about 364.8265116599.

The spelling of 48557819 in words is "forty-eight million, five hundred fifty-seven thousand, eight hundred nineteen".