53172622 has 8 divisors (see below), whose sum is σ = 80720136. Its totient is φ = 26265912.

The previous prime is 53172599. The next prime is 53172653. The reversal of 53172622 is 22627135.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159993 + ... + 160324.

It is an arithmetic number, because the mean of its divisors is an integer number (10090017).

Almost surely, 2^53172622 is an apocalyptic number.

53172622 is a deficient number, since it is larger than the sum of its proper divisors (27547514).

53172622 is a wasteful number, since it uses less digits than its factorization.

53172622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320402.

The product of its digits is 5040, while the sum is 28.

The square root of 53172622 is about 7291.9559790224. The cubic root of 53172622 is about 376.0359432593.

Adding to 53172622 its reverse (22627135), we get a palindrome (75799757).

It can be divided in two parts, 531 and 72622, that added together give a triangular number (73153 = T₃₈₂).

The spelling of 53172622 in words is "fifty-three million, one hundred seventy-two thousand, six hundred twenty-two".