55501451513424 has 200 divisors, whose sum is σ = 183630465469440. Its totient is φ = 15853672657152.

The previous prime is 55501451513393. The next prime is 55501451513461. The reversal of 55501451513424 is 42431515410555.

55501451513424 is a `hidden beast` number, since 5 + 5 + 50 + 1 + 45 + 1 + 513 + 42 + 4 = 666.

It is a super-2 number, since 2×55501451513424² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55501451513424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 36384337 + ... + 37879055.

Almost surely, 2^{55501451513424} is an apocalyptic number.

55501451513424 is a gapful number since it is divisible by the number (54) 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 55501451513424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91815232734720).

55501451513424 is an abundant number, since it is smaller than the sum of its proper divisors (128129013956016).

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

55501451513424 is a wasteful number, since it uses less digits than its factorization.

55501451513424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498839 (or 1498824 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 45.

Adding to 55501451513424 its reverse (42431515410555), we get a palindrome (97932966923979).

The spelling of 55501451513424 in words is "fifty-five trillion, five hundred one billion, four hundred fifty-one million, five hundred thirteen thousand, four hundred twenty-four".