54550103519 has 2 divisors, whose sum is σ = 54550103520. Its totient is φ = 54550103518.

The previous prime is 54550103471. The next prime is 54550103521. The reversal of 54550103519 is 91530105545.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54550103519 - 2³² = 50255136223 is a prime.

It is a super-2 number, since 2×54550103519² (a number of 22 digits) contains 22 as substring.

Together with 54550103521, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54550103579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27275051759 + 27275051760.

It is an arithmetic number, because the mean of its divisors is an integer number (27275051760).

Almost surely, 2^54550103519 is an apocalyptic number.

54550103519 is a deficient number, since it is larger than the sum of its proper divisors (1).

54550103519 is an equidigital number, since it uses as much as digits as its factorization.

54550103519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67500, while the sum is 38.

The spelling of 54550103519 in words is "fifty-four billion, five hundred fifty million, one hundred three thousand, five hundred nineteen".