14057550 has 144 divisors (see below), whose sum is σ = 42653520. Its totient is φ = 3421440.

The previous prime is 14057509. The next prime is 14057551. The reversal of 14057550 is 5575041.

14057550 is a `hidden beast` number, since 1 + 40 + 575 + 50 = 666.

It is a super-3 number, since 3×14057550³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14057551) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 157906 + ... + 157994.

It is an arithmetic number, because the mean of its divisors is an integer number (296205).

Almost surely, 2^14057550 is an apocalyptic number.

14057550 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 14057550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21326760).

14057550 is an abundant number, since it is smaller than the sum of its proper divisors (28595970).

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

14057550 is a wasteful number, since it uses less digits than its factorization.

14057550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 14057550 is about 3749.3399419098. The cubic root of 14057550 is about 241.3440218058.

It can be divided in two parts, 140575 and 50, that added together give a square (140625 = 375²).

The spelling of 14057550 in words is "fourteen million, fifty-seven thousand, five hundred fifty".