55005000551 has 4 divisors (see below), whose sum is σ = 57900000600. Its totient is φ = 52110000504.

The previous prime is 55005000529. The next prime is 55005000559. The reversal of 55005000551 is 15500050055.

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 55005000551 - 2⁶ = 55005000487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55005000551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55005000559) 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, 1447499996 + ... + 1447500033.

It is an arithmetic number, because the mean of its divisors is an integer number (14475000150).

Almost surely, 2^55005000551 is an apocalyptic number.

55005000551 is a deficient number, since it is larger than the sum of its proper divisors (2895000049).

55005000551 is a wasteful number, since it uses less digits than its factorization.

55005000551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2895000048.

The product of its (nonzero) digits is 3125, while the sum is 26.

The spelling of 55005000551 in words is "fifty-five billion, five million, five hundred fifty-one", and thus it is an aban number.