172053450 has 48 divisors (see below), whose sum is σ = 474106560. Its totient is φ = 45880560.

The previous prime is 172053421. The next prime is 172053451. The reversal of 172053450 is 54350271.

It is a happy number.

172053450 is a `hidden beast` number, since 1 + 7 + 205 + 3 + 450 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (172053451) 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, 62374 + ... + 65073.

It is an arithmetic number, because the mean of its divisors is an integer number (9877220).

Almost surely, 2^172053450 is an apocalyptic number.

172053450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172053450 is an abundant number, since it is smaller than the sum of its proper divisors (302053110).

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

172053450 is a wasteful number, since it uses less digits than its factorization.

172053450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127468 (or 127457 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 172053450 is about 13116.9146524631. The cubic root of 172053450 is about 556.1873775397.

The spelling of 172053450 in words is "one hundred seventy-two million, fifty-three thousand, four hundred fifty".