53390611 has 4 divisors (see below), whose sum is σ = 53406112. Its totient is φ = 53375112.

The previous prime is 53390549. The next prime is 53390621. The reversal of 53390611 is 11609335.

53390611 is a nontrivial binomial coefficient, being equal to C(10334, 2).

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

It is a 3-Lehmer number, since φ(53390611) divides (53390611-1)³.

It is a cyclic number.

It is not a de Polignac number, because 53390611 - 2⁷ = 53390483 is a prime.

It is a deceptive number, since it divides R_53390610.

It is a self number, because there is not a number n which added to its sum of digits gives 53390611.

It is not an unprimeable number, because it can be changed into a prime (53390621) 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, 1 + ... + 10333.

It is an arithmetic number, because the mean of its divisors is an integer number (13351528).

Almost surely, 2^53390611 is an apocalyptic number.

53390611 is the 10333-rd triangular number and also the 5167-th hexagonal number.

53390611 is the 3445-th centered nonagonal number.

53390611 is a deficient number, since it is larger than the sum of its proper divisors (15501).

53390611 is a wasteful number, since it uses less digits than its factorization.

53390611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15500.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 53390611 is about 7306.8879148376. The cubic root of 53390611 is about 376.5491142123.

Adding to 53390611 its reverse (11609335), we get a palindrome (64999946).

The spelling of 53390611 in words is "fifty-three million, three hundred ninety thousand, six hundred eleven".