53333445 has 16 divisors (see below), whose sum is σ = 93091392. Its totient is φ = 25858560.

The previous prime is 53333443. The next prime is 53333461. The reversal of 53333445 is 54433335.

It is not a de Polignac number, because 53333445 - 2¹ = 53333443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53333443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161452 + ... + 161781.

It is an arithmetic number, because the mean of its divisors is an integer number (5818212).

Almost surely, 2^53333445 is an apocalyptic number.

53333445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53333445 is a deficient number, since it is larger than the sum of its proper divisors (39757947).

53333445 is a wasteful number, since it uses less digits than its factorization.

53333445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323252.

The product of its digits is 32400, while the sum is 30.

The square root of 53333445 is about 7302.9750786922. The cubic root of 53333445 is about 376.4146742581.

It can be divided in two parts, 5333 and 3445, that added together give a palindrome (8778).

The spelling of 53333445 in words is "fifty-three million, three hundred thirty-three thousand, four hundred forty-five".