54555001 has 2 divisors, whose sum is σ = 54555002. Its totient is φ = 54555000.

The previous prime is 54554971. The next prime is 54555019. The reversal of 54555001 is 10055545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54464400 + 90601 = 7380^2 + 301^2 .

It is a cyclic number.

It is not a de Polignac number, because 54555001 - 2²¹ = 52457849 is a prime.

It is a super-2 number, since 2×54555001² = 5952496268220002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54555041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27277500 + 27277501.

It is an arithmetic number, because the mean of its divisors is an integer number (27277501).

Almost surely, 2^54555001 is an apocalyptic number.

It is an amenable number.

54555001 is a deficient number, since it is larger than the sum of its proper divisors (1).

54555001 is an equidigital number, since it uses as much as digits as its factorization.

54555001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 54555001 is about 7386.1357285119. The cubic root of 54555001 is about 379.2668250050.

The spelling of 54555001 in words is "fifty-four million, five hundred fifty-five thousand, one".