53750345 has 16 divisors (see below), whose sum is σ = 74504448. Its totient is φ = 36791040.

The previous prime is 53750339. The next prime is 53750353. The reversal of 53750345 is 54305735.

It is not a de Polignac number, because 53750345 - 2⁴ = 53750329 is a prime.

It is a Duffinian number.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 27809 + ... + 29678.

It is an arithmetic number, because the mean of its divisors is an integer number (4656528).

Almost surely, 2^53750345 is an apocalyptic number.

53750345 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53750345 is a deficient number, since it is larger than the sum of its proper divisors (20754103).

53750345 is a wasteful number, since it uses less digits than its factorization.

53750345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57520.

The product of its (nonzero) digits is 31500, while the sum is 32.

The square root of 53750345 is about 7331.4626780745. The cubic root of 53750345 is about 377.3929231562.

The spelling of 53750345 in words is "fifty-three million, seven hundred fifty thousand, three hundred forty-five".