53754440 has 32 divisors (see below), whose sum is σ = 122067000. Its totient is φ = 21302784.

The previous prime is 53754431. The next prime is 53754479. The reversal of 53754440 is 4445735.

It can be written as a sum of positive squares in 4 ways, for example, as 29528356 + 24226084 = 5434^2 + 4922^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53754397 and 53754406.

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 7 ways as a sum of consecutive naturals, for example, 1805 + ... + 10524.

Almost surely, 2^53754440 is an apocalyptic number.

It is an amenable number.

53754440 is an abundant number, since it is smaller than the sum of its proper divisors (68312560).

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

53754440 is a wasteful number, since it uses less digits than its factorization.

53754440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12449 (or 12445 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 53754440 is about 7331.7419485413. The cubic root of 53754440 is about 377.4025068763.

The spelling of 53754440 in words is "fifty-three million, seven hundred fifty-four thousand, four hundred forty".