54512115213 has 32 divisors (see below), whose sum is σ = 74815247232. Its totient is φ = 35292384000.

The previous prime is 54512115209. The next prime is 54512115269. The reversal of 54512115213 is 31251121545.

54512115213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54512115213 - 2² = 54512115209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54512115293) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6890206 + ... + 6898112.

It is an arithmetic number, because the mean of its divisors is an integer number (2337976476).

Almost surely, 2^54512115213 is an apocalyptic number.

It is an amenable number.

54512115213 is a deficient number, since it is larger than the sum of its proper divisors (20303132019).

54512115213 is a wasteful number, since it uses less digits than its factorization.

54512115213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8445.

The product of its digits is 6000, while the sum is 30.

Adding to 54512115213 its reverse (31251121545), we get a palindrome (85763236758).

The spelling of 54512115213 in words is "fifty-four billion, five hundred twelve million, one hundred fifteen thousand, two hundred thirteen".