54015550213 has 4 divisors (see below), whose sum is σ = 54048915360. Its totient is φ = 53982185068.

The previous prime is 54015550103. The next prime is 54015550223. The reversal of 54015550213 is 31205551045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54015550213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54015550223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16680145 + ... + 16683382.

It is an arithmetic number, because the mean of its divisors is an integer number (13512228840).

Almost surely, 2^54015550213 is an apocalyptic number.

It is an amenable number.

54015550213 is a deficient number, since it is larger than the sum of its proper divisors (33365147).

54015550213 is a wasteful number, since it uses less digits than its factorization.

54015550213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33365146.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 54015550213 in words is "fifty-four billion, fifteen million, five hundred fifty thousand, two hundred thirteen".