550156780262100 has 216 divisors, whose sum is σ = 1749940637749024. Its totient is φ = 133349195232000.

The previous prime is 550156780262099. The next prime is 550156780262113. The reversal of 550156780262100 is 1262087651055.

It is a self number, because there is not a number n which added to its sum of digits gives 550156780262100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 217887855 + ... + 220398345.

Almost surely, 2^{550156780262100} is an apocalyptic number.

550156780262100 is a gapful number since it is divisible by the number (50) 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 550156780262100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (874970318874512).

550156780262100 is an abundant number, since it is smaller than the sum of its proper divisors (1199783857486924).

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

550156780262100 is a wasteful number, since it uses less digits than its factorization.

550156780262100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516567 (or 2516549 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 48.

The spelling of 550156780262100 in words is "five hundred fifty trillion, one hundred fifty-six billion, seven hundred eighty million, two hundred sixty-two thousand, one hundred".