54921205103 has 4 divisors (see below), whose sum is σ = 55425069480. Its totient is φ = 54417340728.

The previous prime is 54921205069. The next prime is 54921205151. The reversal of 54921205103 is 30150212945.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54921205103 - 2⁸ = 54921204847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54921205103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54921205153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251932025 + ... + 251932242.

It is an arithmetic number, because the mean of its divisors is an integer number (13856267370).

Almost surely, 2^54921205103 is an apocalyptic number.

54921205103 is a deficient number, since it is larger than the sum of its proper divisors (503864377).

54921205103 is a wasteful number, since it uses less digits than its factorization.

54921205103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503864376.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 54921205103 in words is "fifty-four billion, nine hundred twenty-one million, two hundred five thousand, one hundred three".