53355500 has 96 divisors (see below), whose sum is σ = 129729600. Its totient is φ = 19008000.

The previous prime is 53355499. The next prime is 53355509. The reversal of 53355500 is 555335.

It is a self number, because there is not a number n which added to its sum of digits gives 53355500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53355509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 489446 + ... + 489554.

It is an arithmetic number, because the mean of its divisors is an integer number (1351350).

Almost surely, 2^53355500 is an apocalyptic number.

53355500 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 53355500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64864800).

53355500 is an abundant number, since it is smaller than the sum of its proper divisors (76374100).

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

53355500 is a wasteful number, since it uses less digits than its factorization.

53355500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 5625, while the sum is 26.

The square root of 53355500 is about 7304.4849236616. The cubic root of 53355500 is about 376.4665534092.

It can be divided in two parts, 53 and 355500, that added together give a palindrome (355553).

The spelling of 53355500 in words is "fifty-three million, three hundred fifty-five thousand, five hundred".