53435450 has 12 divisors (see below), whose sum is σ = 99390030. Its totient is φ = 21374160.

The previous prime is 53435449. The next prime is 53435461. The reversal of 53435450 is 5453435.

It can be written as a sum of positive squares in 3 ways, for example, as 42393121 + 11042329 = 6511^2 + 3323^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 534305 + ... + 534404.

Almost surely, 2^53435450 is an apocalyptic number.

53435450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53435450 is a deficient number, since it is larger than the sum of its proper divisors (45954580).

53435450 is a wasteful number, since it uses less digits than its factorization.

53435450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068721 (or 1068716 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 53435450 is about 7309.9555402205. The cubic root of 53435450 is about 376.6544970442.

Adding to 53435450 its reverse (5453435), we get a palindrome (58888885).

The spelling of 53435450 in words is "fifty-three million, four hundred thirty-five thousand, four hundred fifty".