53011000 has 64 divisors (see below), whose sum is σ = 141785280. Its totient is φ = 18172800.

The previous prime is 53010989. The next prime is 53011001. The reversal of 53011000 is 11035.

It is a super-2 number, since 2×53011000² = 5620332242000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53011001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3214 + ... + 10786.

It is an arithmetic number, because the mean of its divisors is an integer number (2215395).

Almost surely, 2^53011000 is an apocalyptic number.

53011000 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 53011000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70892640).

53011000 is an abundant number, since it is smaller than the sum of its proper divisors (88774280).

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

53011000 is a wasteful number, since it uses less digits than its factorization.

53011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7601 (or 7587 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 10.

The square root of 53011000 is about 7280.8653331867. The cubic root of 53011000 is about 375.6545605071.

Adding to 53011000 its reverse (11035), we get a palindrome (53022035).

The spelling of 53011000 in words is "fifty-three million, eleven thousand".