53134020 has 72 divisors (see below), whose sum is σ = 162052800. Its totient is φ = 14091840.

The previous prime is 53133947. The next prime is 53134021. The reversal of 53134020 is 2043135.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 53133984 and 53134002.

It is not an unprimeable number, because it can be changed into a prime (53134021) 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 23 ways as a sum of consecutive naturals, for example, 37281 + ... + 38679.

Almost surely, 2^53134020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53134020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81026400).

53134020 is an abundant number, since it is smaller than the sum of its proper divisors (108918780).

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

53134020 is a wasteful number, since it uses less digits than its factorization.

53134020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625 (or 1620 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 53134020 is about 7289.3086091892. The cubic root of 53134020 is about 375.9449236516.

Adding to 53134020 its reverse (2043135), we get a palindrome (55177155).

The spelling of 53134020 in words is "fifty-three million, one hundred thirty-four thousand, twenty".