172055050 has 12 divisors (see below), whose sum is σ = 320022486. Its totient is φ = 68822000.

The previous prime is 172055047. The next prime is 172055071. The reversal of 172055050 is 50550271.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 88679889 + 83375161 = 9417^2 + 9131^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1720501 + ... + 1720600.

Almost surely, 2^172055050 is an apocalyptic number.

172055050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172055050 is a deficient number, since it is larger than the sum of its proper divisors (147967436).

172055050 is a wasteful number, since it uses less digits than its factorization.

172055050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3441113 (or 3441108 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 172055050 is about 13116.9756422736. The cubic root of 172055050 is about 556.1891016106.

The spelling of 172055050 in words is "one hundred seventy-two million, fifty-five thousand, fifty".