53020000 has 120 divisors (see below), whose sum is σ = 142885512. Its totient is φ = 19200000.

The previous prime is 53019997. The next prime is 53020003. The reversal of 53020000 is 2035.

It is an interprime number because it is at equal distance from previous prime (53019997) and next prime (53020003).

It is a super-2 number, since 2×53020000² = 5622240800000000, 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 (53020003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 219880 + ... + 220120.

Almost surely, 2^53020000 is an apocalyptic number.

53020000 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 53020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71442756).

53020000 is an abundant number, since it is smaller than the sum of its proper divisors (89865512).

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

53020000 is a wasteful number, since it uses less digits than its factorization.

53020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 10.

The square root of 53020000 is about 7281.4833653590. The cubic root of 53020000 is about 375.6758183575.

Adding to 53020000 its reverse (2035), we get a palindrome (53022035).

The spelling of 53020000 in words is "fifty-three million, twenty thousand".