55505600501 has 8 divisors (see below), whose sum is σ = 60367097784. Its totient is φ = 50728651200.

The previous prime is 55505600483. The next prime is 55505600503. The reversal of 55505600501 is 10500650555.

It can be written as a sum of positive squares in 4 ways, for example, as 28039167601 + 27466432900 = 167449^2 + 165730^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55505600501 - 2²⁶ = 55438491637 is a prime.

It is a super-2 number, since 2×55505600501² (a number of 22 digits) 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 (55505600503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21135626 + ... + 21138251.

It is an arithmetic number, because the mean of its divisors is an integer number (7545887223).

Almost surely, 2^55505600501 is an apocalyptic number.

It is an amenable number.

55505600501 is a deficient number, since it is larger than the sum of its proper divisors (4861497283).

55505600501 is a wasteful number, since it uses less digits than its factorization.

55505600501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42273991.

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 55505600501 in words is "fifty-five billion, five hundred five million, six hundred thousand, five hundred one".