550384967664 has 100 divisors (see below), whose sum is σ = 1820541488304. Its totient is φ = 157252845312.

The previous prime is 550384967617. The next prime is 550384967683. The reversal of 550384967664 is 466769483055.

550384967664 is a `hidden beast` number, since 5 + 50 + 38 + 496 + 7 + 6 + 64 = 666.

It is a super-2 number, since 2×550384967664² (a number of 24 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 30325197 + ... + 30343340.

Almost surely, 2^550384967664 is an apocalyptic number.

550384967664 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

550384967664 is an abundant number, since it is smaller than the sum of its proper divisors (1270156520640).

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

550384967664 is a wasteful number, since it uses less digits than its factorization.

550384967664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60668564 (or 60668549 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 63.

The spelling of 550384967664 in words is "five hundred fifty billion, three hundred eighty-four million, nine hundred sixty-seven thousand, six hundred sixty-four".