550574140 has 48 divisors (see below), whose sum is σ = 1173332160. Its totient is φ = 216990720.

The previous prime is 550574137. The next prime is 550574149. The reversal of 550574140 is 41475055.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550574149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495906 + ... + 497014.

It is an arithmetic number, because the mean of its divisors is an integer number (24444420).

Almost surely, 2^550574140 is an apocalyptic number.

It is an amenable number.

550574140 is an abundant number, since it is smaller than the sum of its proper divisors (622758020).

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

550574140 is a wasteful number, since it uses less digits than its factorization.

550574140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462 (or 1460 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 550574140 is about 23464.3163122218. The cubic root of 550574140 is about 819.6062654645.

The spelling of 550574140 in words is "five hundred fifty million, five hundred seventy-four thousand, one hundred forty".