53348430 has 32 divisors (see below), whose sum is σ = 129177504. Its totient is φ = 14099456.

The previous prime is 53348417. The next prime is 53348437. The reversal of 53348430 is 3484335.

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 (53348437) 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, 4479 + ... + 11258.

It is an arithmetic number, because the mean of its divisors is an integer number (4036797).

Almost surely, 2^53348430 is an apocalyptic number.

53348430 is an abundant number, since it is smaller than the sum of its proper divisors (75829074).

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

53348430 is a wasteful number, since it uses less digits than its factorization.

53348430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15860.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 53348430 is about 7304.0009583789. Note that the first 3 decimals coincide. The cubic root of 53348430 is about 376.4499244700.

The spelling of 53348430 in words is "fifty-three million, three hundred forty-eight thousand, four hundred thirty".