53238004449 has 8 divisors (see below), whose sum is σ = 81124578240. Its totient is φ = 30421716816.

The previous prime is 53238004439. The next prime is 53238004451. The reversal of 53238004449 is 94440083235.

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

It is not a de Polignac number, because 53238004449 - 2²¹ = 53235907297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53238004449.

It is not an unprimeable number, because it can be changed into a prime (53238004409) 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, 1267571514 + ... + 1267571555.

It is an arithmetic number, because the mean of its divisors is an integer number (10140572280).

Almost surely, 2^53238004449 is an apocalyptic number.

It is an amenable number.

53238004449 is a deficient number, since it is larger than the sum of its proper divisors (27886573791).

53238004449 is a wasteful number, since it uses less digits than its factorization.

53238004449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535143079.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 53238004449 in words is "fifty-three billion, two hundred thirty-eight million, four thousand, four hundred forty-nine".