53111641 has 8 divisors (see below), whose sum is σ = 58503744. Its totient is φ = 47813520.

The previous prime is 53111633. The next prime is 53111657. The reversal of 53111641 is 14611135.

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 53111641 - 2³ = 53111633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53151641) 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, 22306 + ... + 24571.

It is an arithmetic number, because the mean of its divisors is an integer number (7312968).

Almost surely, 2^53111641 is an apocalyptic number.

It is an amenable number.

53111641 is a deficient number, since it is larger than the sum of its proper divisors (5392103).

53111641 is a wasteful number, since it uses less digits than its factorization.

53111641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46991.

The product of its digits is 360, while the sum is 22.

The square root of 53111641 is about 7287.7733910983. The cubic root of 53111641 is about 375.8921360471.

Adding to 53111641 its reverse (14611135), we get a palindrome (67722776).

The spelling of 53111641 in words is "fifty-three million, one hundred eleven thousand, six hundred forty-one".