55500055550529 has 16 divisors (see below), whose sum is σ = 77894974946880. Its totient is φ = 35052594600960.

The previous prime is 55500055550519. The next prime is 55500055550581. The reversal of 55500055550529 is 92505555000555.

It is not a de Polignac number, because 55500055550529 - 2¹¹ = 55500055548481 is a prime.

It is a super-2 number, since 2×55500055550529² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55500055550519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46918309 + ... + 48086669.

It is an arithmetic number, because the mean of its divisors is an integer number (4868435934180).

Almost surely, 2^{55500055550529} is an apocalyptic number.

It is an amenable number.

55500055550529 is a deficient number, since it is larger than the sum of its proper divisors (22394919396351).

55500055550529 is a wasteful number, since it uses less digits than its factorization.

55500055550529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001760.

The product of its (nonzero) digits is 7031250, while the sum is 51.

The spelling of 55500055550529 in words is "fifty-five trillion, five hundred billion, fifty-five million, five hundred fifty thousand, five hundred twenty-nine".