53320630 has 16 divisors (see below), whose sum is σ = 104702544. Its totient is φ = 19389280.

The previous prime is 53320621. The next prime is 53320633. The reversal of 53320630 is 3602335.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53320633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242257 + ... + 242476.

It is an arithmetic number, because the mean of its divisors is an integer number (6543909).

Almost surely, 2^53320630 is an apocalyptic number.

53320630 is a deficient number, since it is larger than the sum of its proper divisors (51381914).

53320630 is a wasteful number, since it uses less digits than its factorization.

53320630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484751.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 53320630 is about 7302.0976438281. The cubic root of 53320630 is about 376.3845234434.

Adding to 53320630 its reverse (3602335), we get a palindrome (56922965).

The spelling of 53320630 in words is "fifty-three million, three hundred twenty thousand, six hundred thirty".