53172471 has 16 divisors (see below), whose sum is σ = 79838208. Its totient is φ = 31185600.

The previous prime is 53172461. The next prime is 53172491. The reversal of 53172471 is 17427135.

It is not a de Polignac number, because 53172471 - 2¹⁵ = 53139703 is a prime.

It is a super-3 number, since 3×53172471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53172461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24966 + ... + 27011.

It is an arithmetic number, because the mean of its divisors is an integer number (4989888).

Almost surely, 2^53172471 is an apocalyptic number.

53172471 is a deficient number, since it is larger than the sum of its proper divisors (26665737).

53172471 is a wasteful number, since it uses less digits than its factorization.

53172471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52022.

The product of its digits is 5880, while the sum is 30.

The square root of 53172471 is about 7291.9456251401. The cubic root of 53172471 is about 376.0355873024.

The spelling of 53172471 in words is "fifty-three million, one hundred seventy-two thousand, four hundred seventy-one".