550837540 has 48 divisors (see below), whose sum is σ = 1271067840. Its totient is φ = 198852480.

The previous prime is 550837517. The next prime is 550837541. The reversal of 550837540 is 45738055.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 550837540.

It is not an unprimeable number, because it can be changed into a prime (550837541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21574 + ... + 39586.

It is an arithmetic number, because the mean of its divisors is an integer number (26480580).

Almost surely, 2^550837540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550837540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635533920).

550837540 is an abundant number, since it is smaller than the sum of its proper divisors (720230300).

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

550837540 is a wasteful number, since it uses less digits than its factorization.

550837540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18172 (or 18170 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 550837540 is about 23469.9284191495. The cubic root of 550837540 is about 819.7369471515.

The spelling of 550837540 in words is "five hundred fifty million, eight hundred thirty-seven thousand, five hundred forty".