550719000 has 320 divisors, whose sum is σ = 2077115040. Its totient is φ = 135302400.

The previous prime is 550718983. The next prime is 550719007. The reversal of 550719000 is 917055.

550719000 = 94³ + 95³ + ... + 218³.

It is a super-2 number, since 2×550719000² = 606582833922000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550719007) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1052739 + ... + 1053261.

Almost surely, 2^550719000 is an apocalyptic number.

550719000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550719000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1038557520).

550719000 is an abundant number, since it is smaller than the sum of its proper divisors (1526396040).

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

550719000 is a wasteful number, since it uses less digits than its factorization.

550719000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 1575, while the sum is 27.

The square root of 550719000 is about 23467.4029240562. The cubic root of 550719000 is about 819.6781405876.

The spelling of 550719000 in words is "five hundred fifty million, seven hundred nineteen thousand".