53073020 has 144 divisors (see below), whose sum is σ = 151402944. Its totient is φ = 15206400.

The previous prime is 53073019. The next prime is 53073043. The reversal of 53073020 is 2037035.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 53072983 and 53073001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 220100 + ... + 220340.

Almost surely, 2^53073020 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 53073020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75701472).

53073020 is an abundant number, since it is smaller than the sum of its proper divisors (98329924).

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

53073020 is a wasteful number, since it uses less digits than its factorization.

53073020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 20.

The square root of 53073020 is about 7285.1231973111. The cubic root of 53073020 is about 375.8010019117.

The spelling of 53073020 in words is "fifty-three million, seventy-three thousand, twenty".