54640321146503 has 4 divisors (see below), whose sum is σ = 54647902716240. Its totient is φ = 54632739576768.

The previous prime is 54640321146457. The next prime is 54640321146533. The reversal of 54640321146503 is 30564112304645.

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 54640321146503 - 2¹⁴ = 54640321130119 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 (54640321146533) 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, 3790774058 + ... + 3790788471.

It is an arithmetic number, because the mean of its divisors is an integer number (13661975679060).

Almost surely, 2^{54640321146503} is an apocalyptic number.

54640321146503 is a deficient number, since it is larger than the sum of its proper divisors (7581569737).

54640321146503 is an equidigital number, since it uses as much as digits as its factorization.

54640321146503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7581569736.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 54640321146503 in words is "fifty-four trillion, six hundred forty billion, three hundred twenty-one million, one hundred forty-six thousand, five hundred three".