126445550 has 48 divisors (see below), whose sum is σ = 293231232. Its totient is φ = 39410400.

The previous prime is 126445547. The next prime is 126445567. The reversal of 126445550 is 55544621.

It is a super-2 number, since 2×126445550² = 31976954229605000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12572 + ... + 20271.

It is an arithmetic number, because the mean of its divisors is an integer number (6108984).

Almost surely, 2^126445550 is an apocalyptic number.

126445550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126445550 is an abundant number, since it is smaller than the sum of its proper divisors (166785682).

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

126445550 is a wasteful number, since it uses less digits than its factorization.

126445550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32873 (or 32868 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 126445550 is about 11244.8010209163. The cubic root of 126445550 is about 501.9200176272.

The spelling of 126445550 in words is "one hundred twenty-six million, four hundred forty-five thousand, five hundred fifty".