53655538 has 4 divisors (see below), whose sum is σ = 80483310. Its totient is φ = 26827768.

The previous prime is 53655533. The next prime is 53655541. The reversal of 53655538 is 83555635.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 30835809 + 22819729 = 5553^2 + 4777^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53655538.

It is not an unprimeable number, because it can be changed into a prime (53655533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13413883 + ... + 13413886.

Almost surely, 2^53655538 is an apocalyptic number.

53655538 is a deficient number, since it is larger than the sum of its proper divisors (26827772).

53655538 is a wasteful number, since it uses less digits than its factorization.

53655538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26827771.

The product of its digits is 270000, while the sum is 40.

The square root of 53655538 is about 7324.9940614310. The cubic root of 53655538 is about 377.1709056794.

The spelling of 53655538 in words is "fifty-three million, six hundred fifty-five thousand, five hundred thirty-eight".