52211445 has 64 divisors (see below), whose sum is σ = 99525888. Its totient is φ = 23040000.

The previous prime is 52211443. The next prime is 52211459. The reversal of 52211445 is 54411225.

It is not a de Polignac number, because 52211445 - 2¹ = 52211443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52211443) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 216525 + ... + 216765.

It is an arithmetic number, because the mean of its divisors is an integer number (1555092).

Almost surely, 2^52211445 is an apocalyptic number.

52211445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52211445 is a deficient number, since it is larger than the sum of its proper divisors (47314443).

52211445 is a wasteful number, since it uses less digits than its factorization.

52211445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374.

The product of its digits is 1600, while the sum is 24.

The square root of 52211445 is about 7225.7487501296. The cubic root of 52211445 is about 373.7563422897.

It can be divided in two parts, 5221 and 1445, that added together give a palindrome (6666).

The spelling of 52211445 in words is "fifty-two million, two hundred eleven thousand, four hundred forty-five".