2054254554551 has 4 divisors (see below), whose sum is σ = 2070429787392. Its totient is φ = 2038079321712.

The previous prime is 2054254554529. The next prime is 2054254554559. The reversal of 2054254554551 is 1554554524502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2054254554551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2054254554496 and 2054254554505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054254554559) 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, 8087616230 + ... + 8087616483.

It is an arithmetic number, because the mean of its divisors is an integer number (517607446848).

Almost surely, 2^{2054254554551} is an apocalyptic number.

2054254554551 is a deficient number, since it is larger than the sum of its proper divisors (16175232841).

2054254554551 is a wasteful number, since it uses less digits than its factorization.

2054254554551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16175232840.

The product of its (nonzero) digits is 4000000, while the sum is 47.

The spelling of 2054254554551 in words is "two trillion, fifty-four billion, two hundred fifty-four million, five hundred fifty-four thousand, five hundred fifty-one".