45556520231 has 4 divisors (see below), whose sum is σ = 45560077512. Its totient is φ = 45552962952.

The previous prime is 45556520213. The next prime is 45556520257. The reversal of 45556520231 is 13202565554.

45556520231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 45556520231 - 2¹⁰ = 45556519207 is a prime.

It is a super-2 number, since 2×45556520231² (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 (45556520201) 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, 1759361 + ... + 1785066.

It is an arithmetic number, because the mean of its divisors is an integer number (11390019378).

Almost surely, 2^45556520231 is an apocalyptic number.

45556520231 is a deficient number, since it is larger than the sum of its proper divisors (3557281).

45556520231 is a wasteful number, since it uses less digits than its factorization.

45556520231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3557280.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 45556520231 in words is "forty-five billion, five hundred fifty-six million, five hundred twenty thousand, two hundred thirty-one".