55526486400 has 1440 divisors, whose sum is σ = 255606151320. Its totient is φ = 11379916800.

The previous prime is 55526486399. The next prime is 55526486429. The reversal of 55526486400 is 468462555.

55526486400 is a `hidden beast` number, since 5 + 5 + 526 + 4 + 86 + 40 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1440).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 760636764 + ... + 760636836.

Almost surely, 2^55526486400 is an apocalyptic number.

55526486400 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 55526486400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127803075660).

55526486400 is an abundant number, since it is smaller than the sum of its proper divisors (200079664920).

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

55526486400 is a wasteful number, since it uses less digits than its factorization.

55526486400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 45.

The spelling of 55526486400 in words is "fifty-five billion, five hundred twenty-six million, four hundred eighty-six thousand, four hundred".