53731011 has 8 divisors (see below), whose sum is σ = 73165824. Its totient is φ = 35058440.

The previous prime is 53731003. The next prime is 53731019. The reversal of 53731011 is 11013735.

It is an interprime number because it is at equal distance from previous prime (53731003) and next prime (53731019).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53731011 - 2³ = 53731003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53731019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190395 + ... + 190676.

It is an arithmetic number, because the mean of its divisors is an integer number (9145728).

Almost surely, 2^53731011 is an apocalyptic number.

53731011 is a deficient number, since it is larger than the sum of its proper divisors (19434813).

53731011 is a wasteful number, since it uses less digits than its factorization.

53731011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381121.

The product of its (nonzero) digits is 315, while the sum is 21.

The square root of 53731011 is about 7330.1439958571. The cubic root of 53731011 is about 377.3476683162.

Adding to 53731011 its reverse (11013735), we get a palindrome (64744746).

The spelling of 53731011 in words is "fifty-three million, seven hundred thirty-one thousand, eleven".