5451656554 has 4 divisors (see below), whose sum is σ = 8177484834. Its totient is φ = 2725828276.

The previous prime is 5451656549. The next prime is 5451656633. The reversal of 5451656554 is 4556561545.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 3033475929 + 2418180625 = 55077^2 + 49175^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1362914137 + ... + 1362914140.

Almost surely, 2^5451656554 is an apocalyptic number.

5451656554 is a deficient number, since it is larger than the sum of its proper divisors (2725828280).

5451656554 is a wasteful number, since it uses less digits than its factorization.

5451656554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725828279.

The product of its digits is 1800000, while the sum is 46.

The square root of 5451656554 is about 73835.3340481371. The cubic root of 5451656554 is about 1759.9871462990.

The spelling of 5451656554 in words is "five billion, four hundred fifty-one million, six hundred fifty-six thousand, five hundred fifty-four".