550145460 has 48 divisors (see below), whose sum is σ = 1547352576. Its totient is φ = 146044032.

The previous prime is 550145419. The next prime is 550145461. The reversal of 550145460 is 64541055.

It is a super-2 number, since 2×550145460² = 605320054317223200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550145461) 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 15 ways as a sum of consecutive naturals, for example, 7179 + ... + 33938.

It is an arithmetic number, because the mean of its divisors is an integer number (32236512).

Almost surely, 2^550145460 is an apocalyptic number.

It is an amenable number.

550145460 is an abundant number, since it is smaller than the sum of its proper divisors (997207116).

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

550145460 is a wasteful number, since it uses less digits than its factorization.

550145460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41352 (or 41350 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 550145460 is about 23455.1798117175. The cubic root of 550145460 is about 819.3934936110.

The spelling of 550145460 in words is "five hundred fifty million, one hundred forty-five thousand, four hundred sixty".