55030554220551 has 32 divisors (see below), whose sum is σ = 90348810037248. Its totient is φ = 29013522105600.

The previous prime is 55030554220513. The next prime is 55030554220591. The reversal of 55030554220551 is 15502245503055.

It is not a de Polignac number, because 55030554220551 - 2¹⁸ = 55030553958407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55030554220501) 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 31 ways as a sum of consecutive naturals, for example, 46580175 + ... + 47746976.

It is an arithmetic number, because the mean of its divisors is an integer number (2823400313664).

Almost surely, 2^{55030554220551} is an apocalyptic number.

55030554220551 is a deficient number, since it is larger than the sum of its proper divisors (35318255816697).

55030554220551 is a wasteful number, since it uses less digits than its factorization.

55030554220551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94329311.

The product of its (nonzero) digits is 750000, while the sum is 42.

The spelling of 55030554220551 in words is "fifty-five trillion, thirty billion, five hundred fifty-four million, two hundred twenty thousand, five hundred fifty-one".