550215252405 has 384 divisors, whose sum is σ = 1274300052480. Its totient is φ = 213139537920.

The previous prime is 550215252341. The next prime is 550215252427. The reversal of 550215252405 is 504252512055.

550215252405 is a `hidden beast` number, since 5 + 50 + 2 + 152 + 52 + 405 = 666.

It is not a de Polignac number, because 550215252405 - 2⁶ = 550215252341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 550215252405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 551870367 + ... + 551871363.

It is an arithmetic number, because the mean of its divisors is an integer number (3318489720).

Almost surely, 2^550215252405 is an apocalyptic number.

It is an amenable number.

550215252405 is an abundant number, since it is smaller than the sum of its proper divisors (724084800075).

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

550215252405 is a wasteful number, since it uses less digits than its factorization.

550215252405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261 (or 1258 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 36.

The spelling of 550215252405 in words is "five hundred fifty billion, two hundred fifteen million, two hundred fifty-two thousand, four hundred five".