53610440 has 64 divisors (see below), whose sum is σ = 131060160. Its totient is φ = 19618560.

The previous prime is 53610437. The next prime is 53610443. The reversal of 53610440 is 4401635.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53610437) and next prime (53610443).

It is not an unprimeable number, because it can be changed into a prime (53610443) 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 15 ways as a sum of consecutive naturals, for example, 67727 + ... + 68513.

It is an arithmetic number, because the mean of its divisors is an integer number (2047815).

Almost surely, 2^53610440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53610440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65530080).

53610440 is an abundant number, since it is smaller than the sum of its proper divisors (77449720).

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

53610440 is a wasteful number, since it uses less digits than its factorization.

53610440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942 (or 938 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 53610440 is about 7321.9150500398. The cubic root of 53610440 is about 377.0652041249.

The spelling of 53610440 in words is "fifty-three million, six hundred ten thousand, four hundred forty".