53373630 has 64 divisors (see below), whose sum is σ = 136857600. Its totient is φ = 13292160.

The previous prime is 53373577. The next prime is 53373631. The reversal of 53373630 is 3637335.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53373631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25981 + ... + 27959.

It is an arithmetic number, because the mean of its divisors is an integer number (2138400).

Almost surely, 2^53373630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53373630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68428800).

53373630 is an abundant number, since it is smaller than the sum of its proper divisors (83483970).

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

53373630 is a wasteful number, since it uses less digits than its factorization.

53373630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049.

The product of its (nonzero) digits is 17010, while the sum is 30.

The square root of 53373630 is about 7305.7258366298. The cubic root of 53373630 is about 376.5091892242.

The spelling of 53373630 in words is "fifty-three million, three hundred seventy-three thousand, six hundred thirty".