54646859 has 2 divisors, whose sum is σ = 54646860. Its totient is φ = 54646858.

The previous prime is 54646847. The next prime is 54646861. The reversal of 54646859 is 95864645.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54646859 - 2⁴ = 54646843 is a prime.

It is a super-3 number, since 3×54646859³ (a number of 24 digits) contains 333 as substring.

Together with 54646861, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54646829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27323429 + 27323430.

It is an arithmetic number, because the mean of its divisors is an integer number (27323430).

Almost surely, 2^54646859 is an apocalyptic number.

54646859 is a deficient number, since it is larger than the sum of its proper divisors (1).

54646859 is an equidigital number, since it uses as much as digits as its factorization.

54646859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1036800, while the sum is 47.

The square root of 54646859 is about 7392.3513850466. The cubic root of 54646859 is about 379.4795715068.

The spelling of 54646859 in words is "fifty-four million, six hundred forty-six thousand, eight hundred fifty-nine".