5505513623 has 4 divisors (see below), whose sum is σ = 5505749280. Its totient is φ = 5505277968.

The previous prime is 5505513599. The next prime is 5505513649. The reversal of 5505513623 is 3263155055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3263155055 = 5 ⋅652631011.

It is a cyclic number.

It is not a de Polignac number, because 5505513623 - 2²² = 5501319319 is a prime.

It is a super-2 number, since 2×5505513623² = 60621360506077172258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5505513823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78383 + ... + 130976.

It is an arithmetic number, because the mean of its divisors is an integer number (1376437320).

Almost surely, 2^5505513623 is an apocalyptic number.

5505513623 is a deficient number, since it is larger than the sum of its proper divisors (235657).

5505513623 is a wasteful number, since it uses less digits than its factorization.

5505513623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235656.

The product of its (nonzero) digits is 67500, while the sum is 35.

The square root of 5505513623 is about 74199.1483980780. The cubic root of 5505513623 is about 1765.7638194507.

Adding to 5505513623 its reverse (3263155055), we get a palindrome (8768668678).

The spelling of 5505513623 in words is "five billion, five hundred five million, five hundred thirteen thousand, six hundred twenty-three".