54872287 has 2 divisors, whose sum is σ = 54872288. Its totient is φ = 54872286.

The previous prime is 54872281. The next prime is 54872291. The reversal of 54872287 is 78227845.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54872287 - 2⁷ = 54872159 is a prime.

It is a super-2 number, since 2×54872287² = 6021935761220738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54872281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27436143 + 27436144.

It is an arithmetic number, because the mean of its divisors is an integer number (27436144).

Almost surely, 2^54872287 is an apocalyptic number.

54872287 is a deficient number, since it is larger than the sum of its proper divisors (1).

54872287 is an equidigital number, since it uses as much as digits as its factorization.

54872287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 250880, while the sum is 43.

The square root of 54872287 is about 7407.5830741207. The cubic root of 54872287 is about 380.0006625104. Note that the first 3 decimals are identical.

The spelling of 54872287 in words is "fifty-four million, eight hundred seventy-two thousand, two hundred eighty-seven".