53322401 has 6 divisors (see below), whose sum is σ = 58610706. Its totient is φ = 48474800.

The previous prime is 53322391. The next prime is 53322403. The reversal of 53322401 is 10422335.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 52548001 + 774400 = 7249^2 + 880^2 .

It is not a de Polignac number, because 53322401 - 2⁶ = 53322337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53322403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 220220 + ... + 220461.

It is an arithmetic number, because the mean of its divisors is an integer number (9768451).

Almost surely, 2^53322401 is an apocalyptic number.

It is an amenable number.

53322401 is a deficient number, since it is larger than the sum of its proper divisors (5288305).

53322401 is a wasteful number, since it uses less digits than its factorization.

53322401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440703 (or 440692 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 53322401 is about 7302.2189093453. The cubic root of 53322401 is about 376.3886904960.

Adding to 53322401 its reverse (10422335), we get a palindrome (63744736).

The spelling of 53322401 in words is "fifty-three million, three hundred twenty-two thousand, four hundred one".