54191663020 has 24 divisors (see below), whose sum is σ = 124148173968. Its totient is φ = 19706059200.

The previous prime is 54191662999. The next prime is 54191663021. The reversal of 54191663020 is 2036619145.

54191663020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (54191663021) 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, 123162651 + ... + 123163090.

It is an arithmetic number, because the mean of its divisors is an integer number (5172840582).

Almost surely, 2^54191663020 is an apocalyptic number.

It is an amenable number.

54191663020 is an abundant number, since it is smaller than the sum of its proper divisors (69956510948).

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

54191663020 is a wasteful number, since it uses less digits than its factorization.

54191663020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246325761 (or 246325759 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 54191663020 in words is "fifty-four billion, one hundred ninety-one million, six hundred sixty-three thousand, twenty".