555742845 has 24 divisors (see below), whose sum is σ = 1100900736. Its totient is φ = 254053728.

The previous prime is 555742843. The next prime is 555742853. The reversal of 555742845 is 548247555.

555742845 is a `hidden beast` number, since 55 + 574 + 28 + 4 + 5 = 666.

It is not a de Polignac number, because 555742845 - 2¹ = 555742843 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 555742845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555742841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 881817 + ... + 882446.

It is an arithmetic number, because the mean of its divisors is an integer number (45870864).

Almost surely, 2^555742845 is an apocalyptic number.

It is an amenable number.

555742845 is a deficient number, since it is larger than the sum of its proper divisors (545157891).

555742845 is a wasteful number, since it uses less digits than its factorization.

555742845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764281 (or 1764278 counting only the distinct ones).

The product of its digits is 1120000, while the sum is 45.

The square root of 555742845 is about 23574.1987138482. The cubic root of 555742845 is about 822.1630601623.

The spelling of 555742845 in words is "five hundred fifty-five million, seven hundred forty-two thousand, eight hundred forty-five".