10554552320 has 208 divisors, whose sum is σ = 28237325760. Its totient is φ = 3759931392.

The previous prime is 10554552311. The next prime is 10554552347. The reversal of 10554552320 is 2325545501.

It is a tau number, because it is divible by the number of its divisors (208).

It is a super-2 number, since 2×10554552320² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7720277 + ... + 7721643.

Almost surely, 2^10554552320 is an apocalyptic number.

10554552320 is a gapful number since it is divisible by the number (10) 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 10554552320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14118662880).

10554552320 is an abundant number, since it is smaller than the sum of its proper divisors (17682773440).

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

10554552320 is a wasteful number, since it uses less digits than its factorization.

10554552320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438 (or 1416 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 10554552320 in words is "ten billion, five hundred fifty-four million, five hundred fifty-two thousand, three hundred twenty".