53648604 has 36 divisors (see below), whose sum is σ = 141510096. Its totient is φ = 17105088.

The previous prime is 53648603. The next prime is 53648611. The reversal of 53648604 is 40684635.

53648604 is a `hidden beast` number, since 5 + 3 + 6 + 48 + 604 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×53648604² = 5756345422297632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53648603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31569 + ... + 33224.

It is an arithmetic number, because the mean of its divisors is an integer number (3930836).

Almost surely, 2^53648604 is an apocalyptic number.

It is an amenable number.

53648604 is an abundant number, since it is smaller than the sum of its proper divisors (87861492).

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

53648604 is a wasteful number, since it uses less digits than its factorization.

53648604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64826 (or 64821 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 53648604 is about 7324.5207351744. The cubic root of 53648604 is about 377.1546574919.

The spelling of 53648604 in words is "fifty-three million, six hundred forty-eight thousand, six hundred four".