55505505500504 has 64 divisors (see below), whose sum is σ = 109267861248000. Its totient is φ = 26382489471360.

The previous prime is 55505505500503. The next prime is 55505505500519. The reversal of 55505505500504 is 40500550550555.

It is a super-2 number, since 2×55505505500504² (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 (55505505500503) 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, 51386417 + ... + 52455455.

It is an arithmetic number, because the mean of its divisors is an integer number (1707310332000).

Almost surely, 2^{55505505500504} is an apocalyptic number.

It is an amenable number.

55505505500504 is a deficient number, since it is larger than the sum of its proper divisors (53762355747496).

55505505500504 is a wasteful number, since it uses less digits than its factorization.

55505505500504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070808 (or 1070804 counting only the distinct ones).

The product of its (nonzero) digits is 1562500, while the sum is 44.

The spelling of 55505505500504 in words is "fifty-five trillion, five hundred five billion, five hundred five million, five hundred thousand, five hundred four".