53407111 has 2 divisors, whose sum is σ = 53407112. Its totient is φ = 53407110.

The previous prime is 53407099. The next prime is 53407129. The reversal of 53407111 is 11170435.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53407111 - 2²¹ = 51309959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53407171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26703555 + 26703556.

It is an arithmetic number, because the mean of its divisors is an integer number (26703556).

Almost surely, 2^53407111 is an apocalyptic number.

53407111 is a deficient number, since it is larger than the sum of its proper divisors (1).

53407111 is an equidigital number, since it uses as much as digits as its factorization.

53407111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 53407111 is about 7308.0168992689. The cubic root of 53407111 is about 376.5879001857.

Adding to 53407111 its reverse (11170435), we get a palindrome (64577546).

The spelling of 53407111 in words is "fifty-three million, four hundred seven thousand, one hundred eleven".