54331220142 has 48 divisors (see below), whose sum is σ = 126754832880. Its totient is φ = 16756183296.

The previous prime is 54331220137. The next prime is 54331220161. The reversal of 54331220142 is 24102213345.

54331220142 is a `hidden beast` number, since 5 + 433 + 1 + 220 + 1 + 4 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1486633 + ... + 1522740.

It is an arithmetic number, because the mean of its divisors is an integer number (2640725685).

Almost surely, 2^54331220142 is an apocalyptic number.

54331220142 is an abundant number, since it is smaller than the sum of its proper divisors (72423612738).

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

54331220142 is a wasteful number, since it uses less digits than its factorization.

54331220142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3009457 (or 3009454 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 54331220142 its reverse (24102213345), we get a palindrome (78433433487).

The spelling of 54331220142 in words is "fifty-four billion, three hundred thirty-one million, two hundred twenty thousand, one hundred forty-two".