53744430 has 32 divisors (see below), whose sum is σ = 130442400. Its totient is φ = 14170112.

The previous prime is 53744417. The next prime is 53744437. The reversal of 53744430 is 3444735.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53744437) 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, 7395 + ... + 12734.

It is an arithmetic number, because the mean of its divisors is an integer number (4076325).

Almost surely, 2^53744430 is an apocalyptic number.

53744430 is an abundant number, since it is smaller than the sum of its proper divisors (76697970).

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

53744430 is a wasteful number, since it uses less digits than its factorization.

53744430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20228.

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 53744430 is about 7331.0592686187. The cubic root of 53744430 is about 377.3790791457.

The spelling of 53744430 in words is "fifty-three million, seven hundred forty-four thousand, four hundred thirty".