53431011 has 12 divisors (see below), whose sum is σ = 79668160. Its totient is φ = 34471440.

The previous prime is 53431009. The next prime is 53431031. The reversal of 53431011 is 11013435.

It is not a de Polignac number, because 53431011 - 2¹ = 53431009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53431031) 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, 95476 + ... + 96033.

Almost surely, 2^53431011 is an apocalyptic number.

53431011 is a deficient number, since it is larger than the sum of its proper divisors (26237149).

53431011 is a wasteful number, since it uses less digits than its factorization.

53431011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191546 (or 191543 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 53431011 is about 7309.6519068968. The cubic root of 53431011 is about 376.6440669170.

Adding to 53431011 its reverse (11013435), we get a palindrome (64444446).

The spelling of 53431011 in words is "fifty-three million, four hundred thirty-one thousand, eleven".