53322501 has 4 divisors (see below), whose sum is σ = 71096672. Its totient is φ = 35548332.

The previous prime is 53322497. The next prime is 53322541. The reversal of 53322501 is 10522335.

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 not a de Polignac number, because 53322501 - 2² = 53322497 is a prime.

It is a super-2 number, since 2×53322501² = 5686578225790002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53322541) 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, 8887081 + ... + 8887086.

It is an arithmetic number, because the mean of its divisors is an integer number (17774168).

Almost surely, 2^53322501 is an apocalyptic number.

It is an amenable number.

53322501 is a deficient number, since it is larger than the sum of its proper divisors (17774171).

53322501 is a wasteful number, since it uses less digits than its factorization.

53322501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17774170.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 53322501 is about 7302.2257565759. The cubic root of 53322501 is about 376.3889257870.

Adding to 53322501 its reverse (10522335), we get a palindrome (63844836).

The spelling of 53322501 in words is "fifty-three million, three hundred twenty-two thousand, five hundred one".