48455819 has 2 divisors, whose sum is σ = 48455820. Its totient is φ = 48455818.

The previous prime is 48455789. The next prime is 48455851. The reversal of 48455819 is 91855484.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48455819 - 2¹² = 48451723 is a prime.

It is a super-2 number, since 2×48455819² = 4695932789921522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48455819.

It is not a weakly prime, because it can be changed into another prime (48455419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24227909 + 24227910.

It is an arithmetic number, because the mean of its divisors is an integer number (24227910).

Almost surely, 2^48455819 is an apocalyptic number.

48455819 is a deficient number, since it is larger than the sum of its proper divisors (1).

48455819 is an equidigital number, since it uses as much as digits as its factorization.

48455819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 230400, while the sum is 44.

The square root of 48455819 is about 6961.0214049376. The cubic root of 48455819 is about 364.5708824512.

The spelling of 48455819 in words is "forty-eight million, four hundred fifty-five thousand, eight hundred nineteen".