53513000 has 64 divisors (see below), whose sum is σ = 127483200. Its totient is φ = 21019200.

The previous prime is 53512997. The next prime is 53513003. The reversal of 53513000 is 31535.

It is an interprime number because it is at equal distance from previous prime (53512997) and next prime (53513003).

It is a self number, because there is not a number n which added to its sum of digits gives 53513000.

It is not an unprimeable number, because it can be changed into a prime (53513003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58547 + ... + 59453.

It is an arithmetic number, because the mean of its divisors is an integer number (1991925).

Almost surely, 2^53513000 is an apocalyptic number.

53513000 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 53513000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63741600).

53513000 is an abundant number, since it is smaller than the sum of its proper divisors (73970200).

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

53513000 is a wasteful number, since it uses less digits than its factorization.

53513000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 17.

The square root of 53513000 is about 7315.2580268915. The cubic root of 53513000 is about 376.8366198183.

Adding to 53513000 its reverse (31535), we get a palindrome (53544535).

The spelling of 53513000 in words is "fifty-three million, five hundred thirteen thousand".