53388011 has 4 divisors (see below), whose sum is σ = 53405352. Its totient is φ = 53370672.

The previous prime is 53388001. The next prime is 53388017. The reversal of 53388011 is 11088335.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53388011 is a prime.

It is a super-2 number, since 2×53388011² = 5700559437072242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53388017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2666 + ... + 10671.

It is an arithmetic number, because the mean of its divisors is an integer number (13351338).

Almost surely, 2^53388011 is an apocalyptic number.

53388011 is a deficient number, since it is larger than the sum of its proper divisors (17341).

53388011 is a wasteful number, since it uses less digits than its factorization.

53388011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17340.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 53388011 is about 7306.7099983508. The cubic root of 53388011 is about 376.5430017544.

The spelling of 53388011 in words is "fifty-three million, three hundred eighty-eight thousand, eleven".