53250061 has 8 divisors (see below), whose sum is σ = 55752480. Its totient is φ = 50792112.

The previous prime is 53250049. The next prime is 53250077. The reversal of 53250061 is 16005235.

It is a happy number.

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 53250061 - 2²¹ = 51152909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53250031) 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, 8655 + ... + 13468.

It is an arithmetic number, because the mean of its divisors is an integer number (6969060).

Almost surely, 2^53250061 is an apocalyptic number.

It is an amenable number.

53250061 is a deficient number, since it is larger than the sum of its proper divisors (2502419).

53250061 is a wasteful number, since it uses less digits than its factorization.

53250061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22235.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 53250061 is about 7297.2639393131. The cubic root of 53250061 is about 376.2184038397.

Adding to 53250061 its reverse (16005235), we get a palindrome (69255296).

The spelling of 53250061 in words is "fifty-three million, two hundred fifty thousand, sixty-one".