53188030 has 96 divisors (see below), whose sum is σ = 121888800. Its totient is φ = 16595712.

The previous prime is 53188027. The next prime is 53188039. The reversal of 53188030 is 3088135.

53188030 = T₉₆ + T₉₇ + ... + T₆₈₃.

It is a self number, because there is not a number n which added to its sum of digits gives 53188030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53188039) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 269892 + ... + 270088.

It is an arithmetic number, because the mean of its divisors is an integer number (1269675).

Almost surely, 2^53188030 is an apocalyptic number.

53188030 is an abundant number, since it is smaller than the sum of its proper divisors (68700770).

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

53188030 is a wasteful number, since it uses less digits than its factorization.

53188030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 53188030 is about 7293.0124091489. The cubic root of 53188030 is about 376.0722614624.

The spelling of 53188030 in words is "fifty-three million, one hundred eighty-eight thousand, thirty".