54477229519 has 2 divisors, whose sum is σ = 54477229520. Its totient is φ = 54477229518.

The previous prime is 54477229427. The next prime is 54477229579. The reversal of 54477229519 is 91592277445.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54477229519 is a prime.

It is a super-2 number, since 2×54477229519² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54477229519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54477229579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27238614759 + 27238614760.

It is an arithmetic number, because the mean of its divisors is an integer number (27238614760).

Almost surely, 2^54477229519 is an apocalyptic number.

54477229519 is a deficient number, since it is larger than the sum of its proper divisors (1).

54477229519 is an equidigital number, since it uses as much as digits as its factorization.

54477229519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6350400, while the sum is 55.

The spelling of 54477229519 in words is "fifty-four billion, four hundred seventy-seven million, two hundred twenty-nine thousand, five hundred nineteen".