55505252502553 has 32 divisors (see below), whose sum is σ = 64928384000000. Its totient is φ = 46467497862720.

The previous prime is 55505252502487. The next prime is 55505252502599. The reversal of 55505252502553 is 35520525250555.

It is a cyclic number.

It is not a de Polignac number, because 55505252502553 - 2¹³ = 55505252494361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55505252502497 and 55505252502506.

It is not an unprimeable number, because it can be changed into a prime (55505252502053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41747008 + ... + 43056046.

It is an arithmetic number, because the mean of its divisors is an integer number (2029012000000).

Almost surely, 2^{55505252502553} is an apocalyptic number.

It is an amenable number.

55505252502553 is a deficient number, since it is larger than the sum of its proper divisors (9423131497447).

55505252502553 is a wasteful number, since it uses less digits than its factorization.

55505252502553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309805.

The product of its (nonzero) digits is 9375000, while the sum is 49.

The spelling of 55505252502553 in words is "fifty-five trillion, five hundred five billion, two hundred fifty-two million, five hundred two thousand, five hundred fifty-three".