10155550 has 24 divisors (see below), whose sum is σ = 19085832. Its totient is φ = 4020000.

The previous prime is 10155533. The next prime is 10155553. The reversal of 10155550 is 5555101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10155553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4045 + ... + 6055.

It is an arithmetic number, because the mean of its divisors is an integer number (795243).

Almost surely, 2^10155550 is an apocalyptic number.

10155550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10155550 is a deficient number, since it is larger than the sum of its proper divisors (8930282).

10155550 is a wasteful number, since it uses less digits than its factorization.

10155550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124 (or 2119 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 22.

The square root of 10155550 is about 3186.7773690674. Note that the first 3 decimals coincide. The cubic root of 10155550 is about 216.5548008989.

The spelling of 10155550 in words is "ten million, one hundred fifty-five thousand, five hundred fifty".