10055550 has 48 divisors (see below), whose sum is σ = 25534080. Its totient is φ = 2617440.

The previous prime is 10055519. The next prime is 10055569. The reversal of 10055550 is 5555001.

It is a super-2 number, since 2×10055550² = 202228171605000, 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, 5671 + ... + 7229.

It is an arithmetic number, because the mean of its divisors is an integer number (531960).

Almost surely, 2^10055550 is an apocalyptic number.

10055550 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 10055550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12767040).

10055550 is an abundant number, since it is smaller than the sum of its proper divisors (15478530).

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

10055550 is a wasteful number, since it uses less digits than its factorization.

10055550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617 (or 1612 counting only the distinct ones).

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

The square root of 10055550 is about 3171.0487224261. The cubic root of 10055550 is about 215.8416620801.

It can be divided in two parts, 1005 and 5550, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 10055550 in words is "ten million, fifty-five thousand, five hundred fifty".