55000050010551 has 24 divisors (see below), whose sum is σ = 81600901019040. Its totient is φ = 35671670035776.

The previous prime is 55000050010481. The next prime is 55000050010573. The reversal of 55000050010551 is 15501005000055.

55000050010551 is a `hidden beast` number, since 5 + 5 + 0 + 0 + 0 + 0 + 500 + 105 + 51 = 666.

It is not a de Polignac number, because 55000050010551 - 2¹⁵ = 55000049977783 is a prime.

It is a super-2 number, since 2×55000050010551² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55000050010151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6399600 + ... + 12286373.

It is an arithmetic number, because the mean of its divisors is an integer number (3400037542460).

Almost surely, 2^{55000050010551} is an apocalyptic number.

55000050010551 is a deficient number, since it is larger than the sum of its proper divisors (26600851008489).

55000050010551 is a wasteful number, since it uses less digits than its factorization.

55000050010551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18694855 (or 18694852 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

The spelling of 55000050010551 in words is "fifty-five trillion, fifty million, ten thousand, five hundred fifty-one".