54605851 has 2 divisors, whose sum is σ = 54605852. Its totient is φ = 54605850.

The previous prime is 54605833. The next prime is 54605879. The reversal of 54605851 is 15850645.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54605851 - 2⁷ = 54605723 is a prime.

It is not a weakly prime, because it can be changed into another prime (54605801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27302925 + 27302926.

It is an arithmetic number, because the mean of its divisors is an integer number (27302926).

Almost surely, 2^54605851 is an apocalyptic number.

54605851 is a deficient number, since it is larger than the sum of its proper divisors (1).

54605851 is an equidigital number, since it uses as much as digits as its factorization.

54605851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 54605851 is about 7389.5771868220. The cubic root of 54605851 is about 379.3846249550.

It can be divided in two parts, 5460 and 5851, that added together give a palindrome (11311).

The spelling of 54605851 in words is "fifty-four million, six hundred five thousand, eight hundred fifty-one".