53147641 has 4 divisors (see below), whose sum is σ = 55458432. Its totient is φ = 50836852.

The previous prime is 53147599. The next prime is 53147657. The reversal of 53147641 is 14674135.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53147641 - 2¹¹ = 53145593 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53142641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1155361 + ... + 1155406.

It is an arithmetic number, because the mean of its divisors is an integer number (13864608).

Almost surely, 2^53147641 is an apocalyptic number.

It is an amenable number.

53147641 is a deficient number, since it is larger than the sum of its proper divisors (2310791).

53147641 is a wasteful number, since it uses less digits than its factorization.

53147641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310790.

The product of its digits is 10080, while the sum is 31.

The square root of 53147641 is about 7290.2428628956. The cubic root of 53147641 is about 375.9770456222.

The spelling of 53147641 in words is "fifty-three million, one hundred forty-seven thousand, six hundred forty-one".