54020504140 has 24 divisors (see below), whose sum is σ = 113785800912. Its totient is φ = 21542917440.

The previous prime is 54020504107. The next prime is 54020504159. The reversal of 54020504140 is 4140502045.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4073479 + ... + 4086718.

It is an arithmetic number, because the mean of its divisors is an integer number (4741075038).

Almost surely, 2^54020504140 is an apocalyptic number.

It is an amenable number.

54020504140 is an abundant number, since it is smaller than the sum of its proper divisors (59765296772).

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

54020504140 is a wasteful number, since it uses less digits than its factorization.

54020504140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8160537 (or 8160535 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The spelling of 54020504140 in words is "fifty-four billion, twenty million, five hundred four thousand, one hundred forty".