54819851 has 2 divisors, whose sum is σ = 54819852. Its totient is φ = 54819850.

The previous prime is 54819839. The next prime is 54819857. The reversal of 54819851 is 15891845.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54819851 - 2¹⁸ = 54557707 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 54819799 and 54819808.

It is not a weakly prime, because it can be changed into another prime (54819857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27409925 + 27409926.

It is an arithmetic number, because the mean of its divisors is an integer number (27409926).

Almost surely, 2^54819851 is an apocalyptic number.

54819851 is a deficient number, since it is larger than the sum of its proper divisors (1).

54819851 is an equidigital number, since it uses as much as digits as its factorization.

54819851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 41.

The square root of 54819851 is about 7404.0428821016. The cubic root of 54819851 is about 379.8795809577.

The spelling of 54819851 in words is "fifty-four million, eight hundred nineteen thousand, eight hundred fifty-one".