550195920 has 240 divisors, whose sum is σ = 1999395840. Its totient is φ = 135115776.

The previous prime is 550195907. The next prime is 550195991. The reversal of 550195920 is 29591055.

550195920 is a `hidden beast` number, since 5 + 50 + 19 + 592 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 505617 + ... + 506703.

It is an arithmetic number, because the mean of its divisors is an integer number (8330816).

Almost surely, 2^550195920 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 550195920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (999697920).

550195920 is an abundant number, since it is smaller than the sum of its proper divisors (1449199920).

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

550195920 is a wasteful number, since it uses less digits than its factorization.

550195920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1153 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 36.

The square root of 550195920 is about 23456.2554556349. The cubic root of 550195920 is about 819.4185447624.

The spelling of 550195920 in words is "five hundred fifty million, one hundred ninety-five thousand, nine hundred twenty".