53075644 has 6 divisors (see below), whose sum is σ = 92882384. Its totient is φ = 26537820.

The previous prime is 53075641. The next prime is 53075647. The reversal of 53075644 is 44657035.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53075641) and next prime (53075647).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53075641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6634452 + ... + 6634459.

Almost surely, 2^53075644 is an apocalyptic number.

It is an amenable number.

53075644 is a deficient number, since it is larger than the sum of its proper divisors (39806740).

53075644 is a wasteful number, since it uses less digits than its factorization.

53075644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13268915 (or 13268913 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 53075644 is about 7285.3032881274. The cubic root of 53075644 is about 375.8071951751.

The spelling of 53075644 in words is "fifty-three million, seventy-five thousand, six hundred forty-four".