53007400 has 24 divisors (see below), whose sum is σ = 123242670. Its totient is φ = 21202880.

The previous prime is 53007313. The next prime is 53007413. The reversal of 53007400 is 470035.

It can be written as a sum of positive squares in 3 ways, for example, as 50951044 + 2056356 = 7138^2 + 1434^2 .

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, 132319 + ... + 132718.

Almost surely, 2^53007400 is an apocalyptic number.

53007400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53007400 is an abundant number, since it is smaller than the sum of its proper divisors (70235270).

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

53007400 is a wasteful number, since it uses less digits than its factorization.

53007400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265053 (or 265044 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 53007400 is about 7280.6181056281. The cubic root of 53007400 is about 375.6460566932.

Adding to 53007400 its reverse (470035), we get a palindrome (53477435).

The spelling of 53007400 in words is "fifty-three million, seven thousand, four hundred".