53554450 has 24 divisors (see below), whose sum is σ = 100135332. Its totient is φ = 21309120.

The previous prime is 53554447. The next prime is 53554451. The reversal of 53554450 is 5445535.

It can be written as a sum of positive squares in 6 ways, for example, as 37785609 + 15768841 = 6147^2 + 3971^2 .

It is a super-2 number, since 2×53554450² = 5736158229605000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53554451) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 7132 + ... + 12568.

Almost surely, 2^53554450 is an apocalyptic number.

53554450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53554450 is a deficient number, since it is larger than the sum of its proper divisors (46580882).

53554450 is a wasteful number, since it uses less digits than its factorization.

53554450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5646 (or 5641 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 53554450 is about 7318.0905979634. The cubic root of 53554450 is about 376.9338911772.

Adding to 53554450 its reverse (5445535), we get a palindrome (58999985).

The spelling of 53554450 in words is "fifty-three million, five hundred fifty-four thousand, four hundred fifty".