54156189512 has 16 divisors (see below), whose sum is σ = 103058421360. Its totient is φ = 26673943824.

The previous prime is 54156189487. The next prime is 54156189539. The reversal of 54156189512 is 21598165145.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50518298 + ... + 50519369.

It is an arithmetic number, because the mean of its divisors is an integer number (6441151335).

Almost surely, 2^54156189512 is an apocalyptic number.

It is an amenable number.

54156189512 is a deficient number, since it is larger than the sum of its proper divisors (48902231848).

54156189512 is a wasteful number, since it uses less digits than its factorization.

54156189512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101037740 (or 101037736 counting only the distinct ones).

The product of its digits is 432000, while the sum is 47.

The spelling of 54156189512 in words is "fifty-four billion, one hundred fifty-six million, one hundred eighty-nine thousand, five hundred twelve".