10550550 has 48 divisors (see below), whose sum is σ = 26886672. Its totient is φ = 2736000.

The previous prime is 10550549. The next prime is 10550563. The reversal of 10550550 is 5505501.

10550550 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10550550² = 222628210605000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4600 + ... + 6500.

It is an arithmetic number, because the mean of its divisors is an integer number (560139).

Almost surely, 2^10550550 is an apocalyptic number.

10550550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10550550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13443336).

10550550 is an abundant number, since it is smaller than the sum of its proper divisors (16336122).

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

10550550 is a wasteful number, since it uses less digits than its factorization.

10550550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953 (or 1948 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 21.

The square root of 10550550 is about 3248.1610181763. The cubic root of 10550550 is about 219.3267988515.

The spelling of 10550550 in words is "ten million, five hundred fifty thousand, five hundred fifty".