53172630 has 48 divisors (see below), whose sum is σ = 158000544. Its totient is φ = 12153600.

The previous prime is 53172599. The next prime is 53172653. The reversal of 53172630 is 3627135.

It is a happy number.

53172630 is a `hidden beast` number, since 531 + 72 + 63 + 0 = 666.

It is a super-2 number, since 2×53172630² = 5654657162233800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53172594 and 53172603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41571 + ... + 42830.

It is an arithmetic number, because the mean of its divisors is an integer number (3291678).

Almost surely, 2^53172630 is an apocalyptic number.

53172630 is an abundant number, since it is smaller than the sum of its proper divisors (104827914).

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

53172630 is a wasteful number, since it uses less digits than its factorization.

53172630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84421 (or 84418 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 53172630 is about 7291.9565275720. The cubic root of 53172630 is about 376.0359621179.

Adding to 53172630 its reverse (3627135), we get a palindrome (56799765).

The spelling of 53172630 in words is "fifty-three million, one hundred seventy-two thousand, six hundred thirty".