55053005502555 has 24 divisors (see below), whose sum is σ = 95428520911152. Its totient is φ = 29360584050624.

The previous prime is 55053005502503. The next prime is 55053005502571. The reversal of 55053005502555 is 55520550035055.

It is not a de Polignac number, because 55053005502555 - 2⁷ = 55053005502427 is a prime.

It is a super-2 number, since 2×55053005502555² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 55053005502555.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19914669 + ... + 22509998.

It is an arithmetic number, because the mean of its divisors is an integer number (3976188371298).

Almost surely, 2^{55053005502555} is an apocalyptic number.

55053005502555 is a deficient number, since it is larger than the sum of its proper divisors (40375515408597).

55053005502555 is a wasteful number, since it uses less digits than its factorization.

55053005502555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42453515 (or 42453512 counting only the distinct ones).

The product of its (nonzero) digits is 2343750, while the sum is 45.

The spelling of 55053005502555 in words is "fifty-five trillion, fifty-three billion, five million, five hundred two thousand, five hundred fifty-five".