54887263 has 2 divisors, whose sum is σ = 54887264. Its totient is φ = 54887262.

The previous prime is 54887249. The next prime is 54887303. The reversal of 54887263 is 36278845.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54887263 is a prime.

It is a super-2 number, since 2×54887263² = 6025223279262338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54887363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27443631 + 27443632.

It is an arithmetic number, because the mean of its divisors is an integer number (27443632).

Almost surely, 2^54887263 is an apocalyptic number.

54887263 is a deficient number, since it is larger than the sum of its proper divisors (1).

54887263 is an equidigital number, since it uses as much as digits as its factorization.

54887263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 43.

The square root of 54887263 is about 7408.5938611858. The cubic root of 54887263 is about 380.0352298824.

The spelling of 54887263 in words is "fifty-four million, eight hundred eighty-seven thousand, two hundred sixty-three".