172054953 has 24 divisors (see below), whose sum is σ = 288689856. Its totient is φ = 96703200.

The previous prime is 172054931. The next prime is 172054957. The reversal of 172054953 is 359450271.

It is not a de Polignac number, because 172054953 - 2¹³ = 172046761 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (172054957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18543 + ... + 26228.

It is an arithmetic number, because the mean of its divisors is an integer number (12028744).

Almost surely, 2^172054953 is an apocalyptic number.

It is an amenable number.

172054953 is a deficient number, since it is larger than the sum of its proper divisors (116634903).

172054953 is a wasteful number, since it uses less digits than its factorization.

172054953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44845 (or 44842 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 172054953 is about 13116.9719447744. The cubic root of 172054953 is about 556.1889970892.

The spelling of 172054953 in words is "one hundred seventy-two million, fifty-four thousand, nine hundred fifty-three".