5573621550 has 96 divisors (see below), whose sum is σ = 15810988032. Its totient is φ = 1272862080.

The previous prime is 5573621497. The next prime is 5573621567. The reversal of 5573621550 is 551263755.

It is a junction number, because it is equal to n+sod(n) for n = 5573621499 and 5573621508.

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, 2248912 + ... + 2251388.

It is an arithmetic number, because the mean of its divisors is an integer number (164697792).

Almost surely, 2^5573621550 is an apocalyptic number.

5573621550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5573621550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7905494016).

5573621550 is an abundant number, since it is smaller than the sum of its proper divisors (10237366482).

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

5573621550 is a wasteful number, since it uses less digits than its factorization.

5573621550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4642 (or 4637 counting only the distinct ones).

The product of its (nonzero) digits is 157500, while the sum is 39.

The square root of 5573621550 is about 74656.6912607303. The cubic root of 5573621550 is about 1773.0153364524.

The spelling of 5573621550 in words is "five billion, five hundred seventy-three million, six hundred twenty-one thousand, five hundred fifty".