551424330451544 has 256 divisors, whose sum is σ = 1196970046272000. Its totient is φ = 235777651200000.

The previous prime is 551424330451513. The next prime is 551424330451609. The reversal of 551424330451544 is 445154033424155.

It is a super-3 number, since 3×551424330451544³ (a number of 45 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 551424330451492 and 551424330451501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 94244456219 + ... + 94244462069.

It is an arithmetic number, because the mean of its divisors is an integer number (4675664243250).

Almost surely, 2^{551424330451544} 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 551424330451544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (598485023136000).

551424330451544 is an abundant number, since it is smaller than the sum of its proper divisors (645545715820456).

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

551424330451544 is a wasteful number, since it uses less digits than its factorization.

551424330451544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7970 (or 7966 counting only the distinct ones).

The product of its (nonzero) digits is 11520000, while the sum is 50.

Adding to 551424330451544 its reverse (445154033424155), we get a palindrome (996578363875699).

The spelling of 551424330451544 in words is "five hundred fifty-one trillion, four hundred twenty-four billion, three hundred thirty million, four hundred fifty-one thousand, five hundred forty-four".