5515525400 has 192 divisors, whose sum is σ = 16041473280. Its totient is φ = 1713369600.

The previous prime is 5515525397. The next prime is 5515525423. The reversal of 5515525400 is 45255155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8577479 + ... + 8578121.

It is an arithmetic number, because the mean of its divisors is an integer number (83549340).

Almost surely, 2^5515525400 is an apocalyptic number.

5515525400 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 5515525400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8020736640).

5515525400 is an abundant number, since it is smaller than the sum of its proper divisors (10525947880).

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

5515525400 is a wasteful number, since it uses less digits than its factorization.

5515525400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234 (or 1225 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 32.

The square root of 5515525400 is about 74266.5833332866. The cubic root of 5515525400 is about 1766.8335185160.

The spelling of 5515525400 in words is "five billion, five hundred fifteen million, five hundred twenty-five thousand, four hundred".