53365500 has 192 divisors, whose sum is σ = 178214400. Its totient is φ = 13780800.

The previous prime is 53365489. The next prime is 53365511. The reversal of 53365500 is 556335.

It is a happy number.

53365500 is a `hidden beast` number, since 5 + 3 + 3 + 655 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (53365489) and next prime (53365511).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 796467 + ... + 796533.

It is an arithmetic number, because the mean of its divisors is an integer number (928200).

Almost surely, 2^53365500 is an apocalyptic number.

53365500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53365500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89107200).

53365500 is an abundant number, since it is smaller than the sum of its proper divisors (124848900).

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

53365500 is a wasteful number, since it uses less digits than its factorization.

53365500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 53365500 is about 7305.1694025532. The cubic root of 53365500 is about 376.4900713243.

The spelling of 53365500 in words is "fifty-three million, three hundred sixty-five thousand, five hundred".