53407452 has 72 divisors (see below), whose sum is σ = 147438480. Its totient is φ = 14999040.

The previous prime is 53407447. The next prime is 53407469. The reversal of 53407452 is 25470435.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35124 + ... + 36612.

Almost surely, 2^53407452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53407452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73719240).

53407452 is an abundant number, since it is smaller than the sum of its proper divisors (94031028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53407452 is a wasteful number, since it uses less digits than its factorization.

53407452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571 (or 1562 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 53407452 is about 7308.0402297743. The cubic root of 53407452 is about 376.5887016782.

Adding to 53407452 its reverse (25470435), we get a palindrome (78877887).

The spelling of 53407452 in words is "fifty-three million, four hundred seven thousand, four hundred fifty-two".