55546004551 has 4 divisors (see below), whose sum is σ = 55547325000. Its totient is φ = 55544684104.

The previous prime is 55546004533. The next prime is 55546004567. The reversal of 55546004551 is 15540064555.

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

It is a cyclic number.

It is not a de Polignac number, because 55546004551 - 2⁵ = 55546004519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55546004531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594976 + ... + 681973.

It is an arithmetic number, because the mean of its divisors is an integer number (13886831250).

Almost surely, 2^55546004551 is an apocalyptic number.

55546004551 is a deficient number, since it is larger than the sum of its proper divisors (1320449).

55546004551 is a wasteful number, since it uses less digits than its factorization.

55546004551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320448.

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 55546004551 in words is "fifty-five billion, five hundred forty-six million, four thousand, five hundred fifty-one".