53172130 has 48 divisors (see below), whose sum is σ = 108101952. Its totient is φ = 18674400.

The previous prime is 53172103. The next prime is 53172131. The reversal of 53172130 is 3127135.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (53172131) 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, 105459 + ... + 105961.

It is an arithmetic number, because the mean of its divisors is an integer number (2252124).

Almost surely, 2^53172130 is an apocalyptic number.

53172130 is an abundant number, since it is smaller than the sum of its proper divisors (54929822).

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

53172130 is a wasteful number, since it uses less digits than its factorization.

53172130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 53172130 is about 7291.9222431400. The cubic root of 53172130 is about 376.0347834503.

Adding to 53172130 its reverse (3127135), we get a palindrome (56299265).

It can be divided in two parts, 5317 and 2130, that added together give a palindrome (7447).

The spelling of 53172130 in words is "fifty-three million, one hundred seventy-two thousand, one hundred thirty".