54189345462 has 128 divisors (see below), whose sum is σ = 129725030400. Its totient is φ = 14765690880.

The previous prime is 54189345461. The next prime is 54189345479. The reversal of 54189345462 is 26454398145.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54189345461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34982664 + ... + 34984212.

It is an arithmetic number, because the mean of its divisors is an integer number (1013476800).

Almost surely, 2^54189345462 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54189345462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64862515200).

54189345462 is an abundant number, since it is smaller than the sum of its proper divisors (75535684938).

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

54189345462 is a wasteful number, since it uses less digits than its factorization.

54189345462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966.

The product of its digits is 4147200, while the sum is 51.

The spelling of 54189345462 in words is "fifty-four billion, one hundred eighty-nine million, three hundred forty-five thousand, four hundred sixty-two".