53703645 has 16 divisors (see below), whose sum is σ = 88022592. Its totient is φ = 27943040.

The previous prime is 53703641. The next prime is 53703667. The reversal of 53703645 is 54630735.

It is not a de Polignac number, because 53703645 - 2² = 53703641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53703641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43047 + ... + 44276.

It is an arithmetic number, because the mean of its divisors is an integer number (5501412).

Almost surely, 2^53703645 is an apocalyptic number.

It is an amenable number.

53703645 is a deficient number, since it is larger than the sum of its proper divisors (34318947).

53703645 is a wasteful number, since it uses less digits than its factorization.

53703645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87372.

The product of its (nonzero) digits is 37800, while the sum is 33.

The square root of 53703645 is about 7328.2770826436. The cubic root of 53703645 is about 377.2835945176.

The spelling of 53703645 in words is "fifty-three million, seven hundred three thousand, six hundred forty-five".