553820860501 has 4 divisors (see below), whose sum is σ = 553831422732. Its totient is φ = 553810298272.

The previous prime is 553820860493. The next prime is 553820860511. The reversal of 553820860501 is 105068028355.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 418524894225 + 135295966276 = 646935^2 + 367826^2 .

It is a cyclic number.

It is not a de Polignac number, because 553820860501 - 2³ = 553820860493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553820860511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5202070 + ... + 5307463.

It is an arithmetic number, because the mean of its divisors is an integer number (138457855683).

Almost surely, 2^553820860501 is an apocalyptic number.

It is an amenable number.

553820860501 is a deficient number, since it is larger than the sum of its proper divisors (10562231).

553820860501 is a wasteful number, since it uses less digits than its factorization.

553820860501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10562230.

The product of its (nonzero) digits is 288000, while the sum is 43.

Adding to 553820860501 its reverse (105068028355), we get a palindrome (658888888856).

The spelling of 553820860501 in words is "five hundred fifty-three billion, eight hundred twenty million, eight hundred sixty thousand, five hundred one".