53220101 has 12 divisors (see below), whose sum is σ = 58771104. Its totient is φ = 47793000.

The previous prime is 53220077. The next prime is 53220103. The reversal of 53220101 is 10102235.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-53220101 is a prime.

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 (53220103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297230 + ... + 297408.

It is an arithmetic number, because the mean of its divisors is an integer number (4897592).

Almost surely, 2^53220101 is an apocalyptic number.

It is an amenable number.

53220101 is a deficient number, since it is larger than the sum of its proper divisors (5551003).

53220101 is a wasteful number, since it uses less digits than its factorization.

53220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 53220101 is about 7295.2108262887. The cubic root of 53220101 is about 376.1478335422.

Adding to 53220101 its reverse (10102235), we get a palindrome (63322336).

The spelling of 53220101 in words is "fifty-three million, two hundred twenty thousand, one hundred one".