550500405 has 128 divisors (see below), whose sum is σ = 1132572672. Its totient is φ = 222179328.

The previous prime is 550500403. The next prime is 550500407. The reversal of 550500405 is 504005055.

It is an interprime number because it is at equal distance from previous prime (550500403) and next prime (550500407).

It is not a de Polignac number, because 550500405 - 2¹ = 550500403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550500403) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4871629 + ... + 4871741.

It is an arithmetic number, because the mean of its divisors is an integer number (8848224).

Almost surely, 2^550500405 is an apocalyptic number.

It is an amenable number.

550500405 is an abundant number, since it is smaller than the sum of its proper divisors (582072267).

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

550500405 is a wasteful number, since it uses less digits than its factorization.

550500405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267.

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 550500405 is about 23462.7450440054. The cubic root of 550500405 is about 819.5696755597.

The spelling of 550500405 in words is "five hundred fifty million, five hundred thousand, four hundred five".