53552450 has 48 divisors (see below), whose sum is σ = 119843520. Its totient is φ = 17392320.

The previous prime is 53552383. The next prime is 53552453. The reversal of 53552450 is 5425535.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53552453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2624 + ... + 10676.

It is an arithmetic number, because the mean of its divisors is an integer number (2496740).

Almost surely, 2^53552450 is an apocalyptic number.

53552450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53552450 is an abundant number, since it is smaller than the sum of its proper divisors (66291070).

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

53552450 is a wasteful number, since it uses less digits than its factorization.

53552450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8091 (or 8086 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 53552450 is about 7317.9539490215. The cubic root of 53552450 is about 376.9291988988.

Adding to 53552450 its reverse (5425535), we get a palindrome (58977985).

The spelling of 53552450 in words is "fifty-three million, five hundred fifty-two thousand, four hundred fifty".