53642401 has 2 divisors, whose sum is σ = 53642402. Its totient is φ = 53642400.

The previous prime is 53642399. The next prime is 53642419. The reversal of 53642401 is 10424635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39050001 + 14592400 = 6249^2 + 3820^2 .

It is a cyclic number.

It is not a de Polignac number, because 53642401 - 2¹ = 53642399 is a prime.

Together with 53642399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (53642441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26821200 + 26821201.

It is an arithmetic number, because the mean of its divisors is an integer number (26821201).

Almost surely, 2^53642401 is an apocalyptic number.

It is an amenable number.

53642401 is a deficient number, since it is larger than the sum of its proper divisors (1).

53642401 is an equidigital number, since it uses as much as digits as its factorization.

53642401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 53642401 is about 7324.0972822594. The cubic root of 53642401 is about 377.1401210433.

The spelling of 53642401 in words is "fifty-three million, six hundred forty-two thousand, four hundred one".