555645534 has 16 divisors (see below), whose sum is σ = 1132259472. Its totient is φ = 181720448.

The previous prime is 555645533. The next prime is 555645553. The reversal of 555645534 is 435546555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555645533) 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, 873339 + ... + 873974.

It is an arithmetic number, because the mean of its divisors is an integer number (70766217).

Almost surely, 2^555645534 is an apocalyptic number.

555645534 is an abundant number, since it is smaller than the sum of its proper divisors (576613938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

555645534 is a wasteful number, since it uses less digits than its factorization.

555645534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747371.

The product of its digits is 900000, while the sum is 42.

The square root of 555645534 is about 23572.1346933196. The cubic root of 555645534 is about 822.1150702329.

The spelling of 555645534 in words is "five hundred fifty-five million, six hundred forty-five thousand, five hundred thirty-four".