52250011 has 4 divisors (see below), whose sum is σ = 57000024. Its totient is φ = 47500000.

The previous prime is 52249991. The next prime is 52250021. The reversal of 52250011 is 11005225.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52250011 - 2¹⁷ = 52118939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52250021) 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, 2374990 + ... + 2375011.

It is an arithmetic number, because the mean of its divisors is an integer number (14250006).

Almost surely, 2^52250011 is an apocalyptic number.

52250011 is a deficient number, since it is larger than the sum of its proper divisors (4750013).

52250011 is a wasteful number, since it uses less digits than its factorization.

52250011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4750012.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 52250011 is about 7228.4169082864. The cubic root of 52250011 is about 373.8483447202.

Adding to 52250011 its reverse (11005225), we get a palindrome (63255236).

The spelling of 52250011 in words is "fifty-two million, two hundred fifty thousand, eleven".