506332136556553 has 4 divisors (see below), whose sum is σ = 506332410658048. Its totient is φ = 506331862455060.

The previous prime is 506332136556517. The next prime is 506332136556563. The reversal of 506332136556553 is 355655631233605.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 506332136556553 - 2²¹ = 506332134459401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506332136556563) 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, 134260953 + ... + 137980678.

It is an arithmetic number, because the mean of its divisors is an integer number (126583102664512).

Almost surely, 2^{506332136556553} is an apocalyptic number.

It is an amenable number.

506332136556553 is a deficient number, since it is larger than the sum of its proper divisors (274101495).

506332136556553 is a wasteful number, since it uses less digits than its factorization.

506332136556553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274101494.

The product of its (nonzero) digits is 109350000, while the sum is 58.

The spelling of 506332136556553 in words is "five hundred six trillion, three hundred thirty-two billion, one hundred thirty-six million, five hundred fifty-six thousand, five hundred fifty-three".