553423145 has 32 divisors (see below), whose sum is σ = 737012736. Its totient is φ = 398893440.

The previous prime is 553423141. The next prime is 553423159. The reversal of 553423145 is 541324355.

It is a happy number.

It is not a de Polignac number, because 553423145 - 2² = 553423141 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553423141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 911432 + ... + 912038.

It is an arithmetic number, because the mean of its divisors is an integer number (23031648).

Almost surely, 2^553423145 is an apocalyptic number.

553423145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

553423145 is a deficient number, since it is larger than the sum of its proper divisors (183589591).

553423145 is a wasteful number, since it uses less digits than its factorization.

553423145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782 (or 760 counting only the distinct ones).

The product of its digits is 36000, while the sum is 32.

The square root of 553423145 is about 23524.9472900578. The cubic root of 553423145 is about 821.0175475189.

The spelling of 553423145 in words is "five hundred fifty-three million, four hundred twenty-three thousand, one hundred forty-five".