54571563 has 40 divisors (see below), whose sum is σ = 85369856. Its totient is φ = 34700400.

The previous prime is 54571549. The next prime is 54571577. The reversal of 54571563 is 36517545.

It is an interprime number because it is at equal distance from previous prime (54571549) and next prime (54571577).

It is not a de Polignac number, because 54571563 - 2¹³ = 54563371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54571463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 258528 + ... + 258738.

Almost surely, 2^54571563 is an apocalyptic number.

54571563 is a deficient number, since it is larger than the sum of its proper divisors (30798293).

54571563 is a wasteful number, since it uses less digits than its factorization.

54571563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 348 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 54571563 is about 7387.2567980273. The cubic root of 54571563 is about 379.3052008428.

The spelling of 54571563 in words is "fifty-four million, five hundred seventy-one thousand, five hundred sixty-three".