54554891 has 2 divisors, whose sum is σ = 54554892. Its totient is φ = 54554890.

The previous prime is 54554849. The next prime is 54554897. The reversal of 54554891 is 19845545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54554891 - 2¹⁴ = 54538507 is a prime.

It is a super-2 number, since 2×54554891² = 5952472264043762, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54554897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27277445 + 27277446.

It is an arithmetic number, because the mean of its divisors is an integer number (27277446).

Almost surely, 2^54554891 is an apocalyptic number.

54554891 is a deficient number, since it is larger than the sum of its proper divisors (1).

54554891 is an equidigital number, since it uses as much as digits as its factorization.

54554891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144000, while the sum is 41.

The square root of 54554891 is about 7386.1282821245. The cubic root of 54554891 is about 379.2665700978.

The spelling of 54554891 in words is "fifty-four million, five hundred fifty-four thousand, eight hundred ninety-one".