1054564563 has 12 divisors (see below), whose sum is σ = 1522567320. Its totient is φ = 648962496.

The previous prime is 1054564549. The next prime is 1054564571. The reversal of 1054564563 is 3654654501.

It is not a de Polignac number, because 1054564563 - 2⁵ = 1054564531 is a prime.

It is a super-2 number, since 2×1054564563² = 2224212835070761938, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1054564583) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1039498 + ... + 1040511.

It is an arithmetic number, because the mean of its divisors is an integer number (126880610).

Almost surely, 2^1054564563 is an apocalyptic number.

1054564563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1054564563 is a deficient number, since it is larger than the sum of its proper divisors (468002757).

1054564563 is a wasteful number, since it uses less digits than its factorization.

1054564563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080038 (or 2080025 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The square root of 1054564563 is about 32474.0598478232. The cubic root of 1054564563 is about 1017.8670547772.

The spelling of 1054564563 in words is "one billion, fifty-four million, five hundred sixty-four thousand, five hundred sixty-three".