53599144 has 8 divisors (see below), whose sum is σ = 100498410. Its totient is φ = 26799568.

The previous prime is 53599141. The next prime is 53599153. The reversal of 53599144 is 44199535.

It can be written as a sum of positive squares in only one way, i.e., 50836900 + 2762244 = 7130^2 + 1662^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 53599097 and 53599106.

It is not an unprimeable number, because it can be changed into a prime (53599141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3349939 + ... + 3349954.

Almost surely, 2^53599144 is an apocalyptic number.

It is an amenable number.

53599144 is a deficient number, since it is larger than the sum of its proper divisors (46899266).

53599144 is a wasteful number, since it uses less digits than its factorization.

53599144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6699899 (or 6699895 counting only the distinct ones).

The product of its digits is 97200, while the sum is 40.

The square root of 53599144 is about 7321.1436265108. The cubic root of 53599144 is about 377.0387190613.

The spelling of 53599144 in words is "fifty-three million, five hundred ninety-nine thousand, one hundred forty-four".