53681001 has 16 divisors (see below), whose sum is σ = 80775360. Its totient is φ = 31411520.

The previous prime is 53680967. The next prime is 53681021. The reversal of 53681001 is 10018635.

It is a cyclic number.

It is not a de Polignac number, because 53681001 - 2¹⁴ = 53664617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53681021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27090 + ... + 29003.

It is an arithmetic number, because the mean of its divisors is an integer number (5048460).

Almost surely, 2^53681001 is an apocalyptic number.

It is an amenable number.

53681001 is a deficient number, since it is larger than the sum of its proper divisors (27094359).

53681001 is a wasteful number, since it uses less digits than its factorization.

53681001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56136.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 53681001 is about 7326.7319454174. The cubic root of 53681001 is about 377.2305601860.

Adding to 53681001 its reverse (10018635), we get a palindrome (63699636).

The spelling of 53681001 in words is "fifty-three million, six hundred eighty-one thousand, one".