53649030 has 32 divisors (see below), whose sum is σ = 129514464. Its totient is φ = 14222336.

The previous prime is 53649019. The next prime is 53649031. The reversal of 53649030 is 3094635.

It is a happy number.

53649030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53649031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22 + ... + 10358.

It is an arithmetic number, because the mean of its divisors is an integer number (4047327).

Almost surely, 2^53649030 is an apocalyptic number.

53649030 is an abundant number, since it is smaller than the sum of its proper divisors (75865434).

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

53649030 is a wasteful number, since it uses less digits than its factorization.

53649030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10520.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 53649030 is about 7324.5498155177. The cubic root of 53649030 is about 377.1556557624.

The spelling of 53649030 in words is "fifty-three million, six hundred forty-nine thousand, thirty".