53144244004 has 12 divisors (see below), whose sum is σ = 93143131228. Its totient is φ = 26531920800.

The previous prime is 53144243959. The next prime is 53144244011. The reversal of 53144244004 is 40044244135.

It can be written as a sum of positive squares in 2 ways, for example, as 17424000000 + 35720244004 = 132000^2 + 188998^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10047327 + ... + 10052614.

Almost surely, 2^53144244004 is an apocalyptic number.

It is an amenable number.

53144244004 is a deficient number, since it is larger than the sum of its proper divisors (39998887224).

53144244004 is a wasteful number, since it uses less digits than its factorization.

53144244004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20100606 (or 20100604 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 53144244004 its reverse (40044244135), we get a palindrome (93188488139).

The spelling of 53144244004 in words is "fifty-three billion, one hundred forty-four million, two hundred forty-four thousand, four".