55122490368 has 528 divisors, whose sum is σ = 185406713856. Its totient is φ = 15606497280.

The previous prime is 55122490351. The next prime is 55122490393. The reversal of 55122490368 is 86309422155.

55122490368 is a `hidden beast` number, since 5 + 5 + 122 + 490 + 36 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (528).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109587205 + ... + 109587707.

Almost surely, 2^55122490368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55122490368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92703356928).

55122490368 is an abundant number, since it is smaller than the sum of its proper divisors (130284223488).

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

55122490368 is a wasteful number, since it uses less digits than its factorization.

55122490368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610 (or 589 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

It can be divided in two parts, 55122 and 490368, that added together give a triangular number (545490 = T₁₀₄₄).

The spelling of 55122490368 in words is "fifty-five billion, one hundred twenty-two million, four hundred ninety thousand, three hundred sixty-eight".