53527400 has 24 divisors (see below), whose sum is σ = 124451670. Its totient is φ = 21410880.

The previous prime is 53527399. The next prime is 53527433. The reversal of 53527400 is 472535.

It can be written as a sum of positive squares in 3 ways, for example, as 38019556 + 15507844 = 6166^2 + 3938^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53527400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133619 + ... + 134018.

Almost surely, 2^53527400 is an apocalyptic number.

53527400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53527400 is an abundant number, since it is smaller than the sum of its proper divisors (70924270).

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

53527400 is a wasteful number, since it uses less digits than its factorization.

53527400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267653 (or 267644 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 53527400 is about 7316.2422048481. The cubic root of 53527400 is about 376.8704182141.

Adding to 53527400 its reverse (472535), we get a palindrome (53999935).

The spelling of 53527400 in words is "fifty-three million, five hundred twenty-seven thousand, four hundred".