53445007 has 8 divisors (see below), whose sum is σ = 66632832. Its totient is φ = 41645400.

The previous prime is 53444977. The next prime is 53445011. The reversal of 53445007 is 70054435.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53445007 - 2¹¹ = 53442959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53445097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346969 + ... + 347122.

It is an arithmetic number, because the mean of its divisors is an integer number (8329104).

Almost surely, 2^53445007 is an apocalyptic number.

53445007 is a deficient number, since it is larger than the sum of its proper divisors (13187825).

53445007 is a wasteful number, since it uses less digits than its factorization.

53445007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694109.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 53445007 is about 7310.6092085407. The cubic root of 53445007 is about 376.6769507551.

The spelling of 53445007 in words is "fifty-three million, four hundred forty-five thousand, seven".