52405011 has 12 divisors (see below), whose sum is σ = 77542920. Its totient is φ = 34084320.

The previous prime is 52405009. The next prime is 52405027. The reversal of 52405011 is 11050425.

It is not a de Polignac number, because 52405011 - 2¹ = 52405009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52405081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70641 + ... + 71378.

It is an arithmetic number, because the mean of its divisors is an integer number (6461910).

Almost surely, 2^52405011 is an apocalyptic number.

52405011 is a deficient number, since it is larger than the sum of its proper divisors (25137909).

52405011 is a wasteful number, since it uses less digits than its factorization.

52405011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142066 (or 142063 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 52405011 is about 7239.1305417156. The cubic root of 52405011 is about 374.2176542956.

Adding to 52405011 its reverse (11050425), we get a palindrome (63455436).

The spelling of 52405011 in words is "fifty-two million, four hundred five thousand, eleven".