54561593643 has 32 divisors (see below), whose sum is σ = 75284320320. Its totient is φ = 35130101760.

The previous prime is 54561593641. The next prime is 54561593651. The reversal of 54561593643 is 34639516545.

It is not a de Polignac number, because 54561593643 - 2¹ = 54561593641 is a prime.

It is a super-2 number, since 2×54561593643² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54561593641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6275043 + ... + 6283731.

It is an arithmetic number, because the mean of its divisors is an integer number (2352635010).

Almost surely, 2^54561593643 is an apocalyptic number.

54561593643 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

54561593643 is a deficient number, since it is larger than the sum of its proper divisors (20722726677).

54561593643 is a wasteful number, since it uses less digits than its factorization.

54561593643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9359.

The product of its digits is 5832000, while the sum is 51.

The spelling of 54561593643 in words is "fifty-four billion, five hundred sixty-one million, five hundred ninety-three thousand, six hundred forty-three".