53113511 has 8 divisors (see below), whose sum is σ = 58924800. Its totient is φ = 47466040.

The previous prime is 53113499. The next prime is 53113519. The reversal of 53113511 is 11531135.

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 53113511 - 2¹⁴ = 53097127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53113519) 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, 40271 + ... + 41568.

It is an arithmetic number, because the mean of its divisors is an integer number (7365600).

Almost surely, 2^53113511 is an apocalyptic number.

53113511 is a deficient number, since it is larger than the sum of its proper divisors (5811289).

53113511 is a wasteful number, since it uses less digits than its factorization.

53113511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81909.

The product of its digits is 225, while the sum is 20.

The square root of 53113511 is about 7287.9016870427. The cubic root of 53113511 is about 375.8965475724.

Adding to 53113511 its reverse (11531135), we get a palindrome (64644646).

It can be divided in two parts, 531135 and 11, that multiplied together give a palindrome (5842485).

The spelling of 53113511 in words is "fifty-three million, one hundred thirteen thousand, five hundred eleven".