53172629 has 8 divisors (see below), whose sum is σ = 54263520. Its totient is φ = 52088176.

The previous prime is 53172599. The next prime is 53172653. The reversal of 53172629 is 92627135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53172629 - 2²⁰ = 52124053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53172829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17282 + ... + 20124.

It is an arithmetic number, because the mean of its divisors is an integer number (6782940).

Almost surely, 2^53172629 is an apocalyptic number.

53172629 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

53172629 is a deficient number, since it is larger than the sum of its proper divisors (1090891).

53172629 is a wasteful number, since it uses less digits than its factorization.

53172629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3219.

The product of its digits is 22680, while the sum is 35.

The square root of 53172629 is about 7291.9564590033. The cubic root of 53172629 is about 376.0359597606.

The spelling of 53172629 in words is "fifty-three million, one hundred seventy-two thousand, six hundred twenty-nine".