551242350363276 has 864 divisors, whose sum is σ = 1748009398367232. Its totient is φ = 150493025329920.

The previous prime is 551242350363253. The next prime is 551242350363277. The reversal of 551242350363276 is 672363053242155.

551242350363276 is a `hidden beast` number, since 5 + 5 + 1 + 2 + 4 + 2 + 3 + 5 + 0 + 363 + 276 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (551242350363277) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 174278326071 + ... + 174278329233.

It is an arithmetic number, because the mean of its divisors is an integer number (2023159025888).

Almost surely, 2^{551242350363276} 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 551242350363276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (874004699183616).

551242350363276 is an abundant number, since it is smaller than the sum of its proper divisors (1196767048003956).

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

551242350363276 is a wasteful number, since it uses less digits than its factorization.

551242350363276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505 (or 5478 counting only the distinct ones).

The product of its (nonzero) digits is 27216000, while the sum is 54.

The spelling of 551242350363276 in words is "five hundred fifty-one trillion, two hundred forty-two billion, three hundred fifty million, three hundred sixty-three thousand, two hundred seventy-six".