53440010 has 32 divisors (see below), whose sum is σ = 109689552. Its totient is φ = 18570240.

The previous prime is 53440007. The next prime is 53440019. The reversal of 53440010 is 1004435.

It can be written as a sum of positive squares in 8 ways, for example, as 27112849 + 26327161 = 5207^2 + 5131^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (53440019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9881 + ... + 14300.

Almost surely, 2^53440010 is an apocalyptic number.

53440010 is an abundant number, since it is smaller than the sum of its proper divisors (56249542).

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

53440010 is a wasteful number, since it uses less digits than its factorization.

53440010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24218.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 53440010 is about 7310.2674369684. The cubic root of 53440010 is about 376.6652108784.

Adding to 53440010 its reverse (1004435), we get a palindrome (54444445).

The spelling of 53440010 in words is "fifty-three million, four hundred forty thousand, ten".