550752778674 has 192 divisors, whose sum is σ = 1446046588800. Its totient is φ = 154908464256.

The previous prime is 550752778657. The next prime is 550752778703. The reversal of 550752778674 is 476877257055.

It is a happy number.

550752778674 is a `hidden beast` number, since 5 + 507 + 52 + 7 + 7 + 8 + 6 + 74 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 45274917 + ... + 45287079.

It is an arithmetic number, because the mean of its divisors is an integer number (7531492650).

Almost surely, 2^550752778674 is an apocalyptic number.

550752778674 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 550752778674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (723023294400).

550752778674 is an abundant number, since it is smaller than the sum of its proper divisors (895293810126).

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

550752778674 is a wasteful number, since it uses less digits than its factorization.

550752778674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12454 (or 12441 counting only the distinct ones).

The product of its (nonzero) digits is 115248000, while the sum is 63.

The spelling of 550752778674 in words is "five hundred fifty billion, seven hundred fifty-two million, seven hundred seventy-eight thousand, six hundred seventy-four".