54978103 has 4 divisors (see below), whose sum is σ = 55328440. Its totient is φ = 54627768.

The previous prime is 54978101. The next prime is 54978139. The reversal of 54978103 is 30187945.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30187945 = 5 ⋅6037589.

It is a cyclic number.

It is not a de Polignac number, because 54978103 - 2¹ = 54978101 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 (54978101) 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, 174933 + ... + 175246.

It is an arithmetic number, because the mean of its divisors is an integer number (13832110).

Almost surely, 2^54978103 is an apocalyptic number.

54978103 is a deficient number, since it is larger than the sum of its proper divisors (350337).

54978103 is a wasteful number, since it uses less digits than its factorization.

54978103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350336.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 54978103 is about 7414.7220446892. The cubic root of 54978103 is about 380.2447707406.

The spelling of 54978103 in words is "fifty-four million, nine hundred seventy-eight thousand, one hundred three".