54557849551 has 2 divisors, whose sum is σ = 54557849552. Its totient is φ = 54557849550.

The previous prime is 54557849531. The next prime is 54557849657. The reversal of 54557849551 is 15594875545.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54557849551 is a prime.

It is a super-3 number, since 3×54557849551³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54557849531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27278924775 + 27278924776.

It is an arithmetic number, because the mean of its divisors is an integer number (27278924776).

Almost surely, 2^54557849551 is an apocalyptic number.

54557849551 is a deficient number, since it is larger than the sum of its proper divisors (1).

54557849551 is an equidigital number, since it uses as much as digits as its factorization.

54557849551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200000, while the sum is 58.

The spelling of 54557849551 in words is "fifty-four billion, five hundred fifty-seven million, eight hundred forty-nine thousand, five hundred fifty-one".