54145353231354 has 128 divisors (see below), whose sum is σ = 135212426496000. Its totient is φ = 14042842490880.

The previous prime is 54145353231259. The next prime is 54145353231367. The reversal of 54145353231354 is 45313235354145.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 978437974 + ... + 978493310.

It is an arithmetic number, because the mean of its divisors is an integer number (1056347082000).

Almost surely, 2^{54145353231354} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54145353231354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67606213248000).

54145353231354 is an abundant number, since it is smaller than the sum of its proper divisors (81067073264646).

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

54145353231354 is a wasteful number, since it uses less digits than its factorization.

54145353231354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58468.

The product of its digits is 6480000, while the sum is 48.

Adding to 54145353231354 its reverse (45313235354145), we get a palindrome (99458588585499).

The spelling of 54145353231354 in words is "fifty-four trillion, one hundred forty-five billion, three hundred fifty-three million, two hundred thirty-one thousand, three hundred fifty-four".