53730270 has 128 divisors (see below), whose sum is σ = 158976000. Its totient is φ = 12804480.

The previous prime is 53730221. The next prime is 53730293. The reversal of 53730270 is 7203735.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 234516 + ... + 234744.

It is an arithmetic number, because the mean of its divisors is an integer number (1242000).

Almost surely, 2^53730270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53730270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79488000).

53730270 is an abundant number, since it is smaller than the sum of its proper divisors (105245730).

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

53730270 is a wasteful number, since it uses less digits than its factorization.

53730270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 27.

The square root of 53730270 is about 7330.0934509732. The cubic root of 53730270 is about 377.3459336512.

The spelling of 53730270 in words is "fifty-three million, seven hundred thirty thousand, two hundred seventy".