54549000438 has 16 divisors (see below), whose sum is σ = 110157206016. Its totient is φ = 18006465960.

The previous prime is 54549000409. The next prime is 54549000439. The reversal of 54549000438 is 83400094545.

It is a self number, because there is not a number n which added to its sum of digits gives 54549000438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54549000439) 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, 44132878 + ... + 44134113.

It is an arithmetic number, because the mean of its divisors is an integer number (6884825376).

Almost surely, 2^54549000438 is an apocalyptic number.

54549000438 is an abundant number, since it is smaller than the sum of its proper divisors (55608205578).

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

54549000438 is a wasteful number, since it uses less digits than its factorization.

54549000438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88267099.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 54549000438 in words is "fifty-four billion, five hundred forty-nine million, four hundred thirty-eight", and thus it is an aban number.