550706881536 has 704 divisors, whose sum is σ = 1907476480000. Its totient is φ = 153718456320.

The previous prime is 550706881523. The next prime is 550706881541. The reversal of 550706881536 is 635188607055.

550706881536 is a `hidden beast` number, since 5 + 507 + 0 + 6 + 8 + 81 + 53 + 6 = 666.

It is a super-2 number, since 2×550706881536² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2767371165 + ... + 2767371363.

Almost surely, 2^550706881536 is an apocalyptic number.

550706881536 is a gapful number since it is divisible by the number (56) 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 550706881536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (953738240000).

550706881536 is an abundant number, since it is smaller than the sum of its proper divisors (1356769598464).

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

550706881536 is a wasteful number, since it uses less digits than its factorization.

550706881536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 54.

The spelling of 550706881536 in words is "five hundred fifty billion, seven hundred six million, eight hundred eighty-one thousand, five hundred thirty-six".