106400550 has 24 divisors (see below), whose sum is σ = 263873736. Its totient is φ = 28373440.

The previous prime is 106400549. The next prime is 106400557. The reversal of 106400550 is 55004601.

It is a happy number.

It is a super-2 number, since 2×106400550² = 22642154080605000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106400557) 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, 354519 + ... + 354818.

It is an arithmetic number, because the mean of its divisors is an integer number (10994739).

Almost surely, 2^106400550 is an apocalyptic number.

106400550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

106400550 is an abundant number, since it is smaller than the sum of its proper divisors (157473186).

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

106400550 is a wasteful number, since it uses less digits than its factorization.

106400550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709352 (or 709347 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 106400550 is about 10315.0642266541. The cubic root of 106400550 is about 473.8577169127.

The spelling of 106400550 in words is "one hundred six million, four hundred thousand, five hundred fifty".