53245507 has 12 divisors (see below), whose sum is σ = 63938496. Its totient is φ = 44165520.

The previous prime is 53245471. The next prime is 53245559. The reversal of 53245507 is 70554235.

53245507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-53245507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53245007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16008 + ... + 19045.

It is an arithmetic number, because the mean of its divisors is an integer number (5328208).

Almost surely, 2^53245507 is an apocalyptic number.

53245507 is a deficient number, since it is larger than the sum of its proper divisors (10692989).

53245507 is a wasteful number, since it uses less digits than its factorization.

53245507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35098 (or 35091 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 53245507 is about 7296.9518978817. The cubic root of 53245507 is about 376.2076786723.

The spelling of 53245507 in words is "fifty-three million, two hundred forty-five thousand, five hundred seven".