53022121 has 8 divisors (see below), whose sum is σ = 56620800. Its totient is φ = 49541520.

The previous prime is 53022113. The next prime is 53022131. The reversal of 53022121 is 12122035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53022121 - 2³ = 53022113 is a prime.

It is a super-2 number, since 2×53022121² = 5622690630677282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53022095 and 53022104.

It is not an unprimeable number, because it can be changed into a prime (53022131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28591 + ... + 30388.

It is an arithmetic number, because the mean of its divisors is an integer number (7077600).

Almost surely, 2^53022121 is an apocalyptic number.

It is an amenable number.

53022121 is a deficient number, since it is larger than the sum of its proper divisors (3598679).

53022121 is a wasteful number, since it uses less digits than its factorization.

53022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59039.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 53022121 is about 7281.6290073032. The cubic root of 53022121 is about 375.6808277740.

Adding to 53022121 its reverse (12122035), we get a palindrome (65144156).

The spelling of 53022121 in words is "fifty-three million, twenty-two thousand, one hundred twenty-one".