125333550 has 72 divisors (see below), whose sum is σ = 341837496. Its totient is φ = 32915520.

The previous prime is 125333543. The next prime is 125333573. The reversal of 125333550 is 55333521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 28072 + ... + 32228.

It is an arithmetic number, because the mean of its divisors is an integer number (4747743).

Almost surely, 2^125333550 is an apocalyptic number.

125333550 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 125333550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170918748).

125333550 is an abundant number, since it is smaller than the sum of its proper divisors (216503946).

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

125333550 is a wasteful number, since it uses less digits than its factorization.

125333550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4242 (or 4234 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 125333550 is about 11195.2467592278. The cubic root of 125333550 is about 500.4443383432. Note that the first 3 decimals are identical.

The spelling of 125333550 in words is "one hundred twenty-five million, three hundred thirty-three thousand, five hundred fifty".