52653838 has 4 divisors (see below), whose sum is σ = 78980760. Its totient is φ = 26326918.

The previous prime is 52653827. The next prime is 52653859. The reversal of 52653838 is 83835625.

It is a happy number.

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

It is a super-2 number, since 2×52653838² = 5544853312260488, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 52653838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13163458 + ... + 13163461.

It is an arithmetic number, because the mean of its divisors is an integer number (19745190).

Almost surely, 2^52653838 is an apocalyptic number.

52653838 is a deficient number, since it is larger than the sum of its proper divisors (26326922).

52653838 is a wasteful number, since it uses less digits than its factorization.

52653838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26326921.

The product of its digits is 172800, while the sum is 40.

The square root of 52653838 is about 7256.2964382666. The cubic root of 52653838 is about 374.8090002156.

The spelling of 52653838 in words is "fifty-two million, six hundred fifty-three thousand, eight hundred thirty-eight".