54575640642 has 16 divisors (see below), whose sum is σ = 109189467072. Its totient is φ = 18185515920.

The previous prime is 54575640631. The next prime is 54575640649. The reversal of 54575640642 is 24604657545.

It is a junction number, because it is equal to n+sod(n) for n = 54575640591 and 54575640600.

It is not an unprimeable number, because it can be changed into a prime (54575640649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1572478 + ... + 1606809.

It is an arithmetic number, because the mean of its divisors is an integer number (6824341692).

Almost surely, 2^54575640642 is an apocalyptic number.

54575640642 is an abundant number, since it is smaller than the sum of its proper divisors (54613826430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54575640642 is a wasteful number, since it uses less digits than its factorization.

54575640642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3182153.

The product of its (nonzero) digits is 4032000, while the sum is 48.

The spelling of 54575640642 in words is "fifty-four billion, five hundred seventy-five million, six hundred forty thousand, six hundred forty-two".