53503355424 has 24 divisors (see below), whose sum is σ = 140446308240. Its totient is φ = 17834451776.

The previous prime is 53503355333. The next prime is 53503355431. The reversal of 53503355424 is 42455330535.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278663214 + ... + 278663405.

It is an arithmetic number, because the mean of its divisors is an integer number (5851929510).

Almost surely, 2^53503355424 is an apocalyptic number.

It is an amenable number.

53503355424 is an abundant number, since it is smaller than the sum of its proper divisors (86942952816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53503355424 is a wasteful number, since it uses less digits than its factorization.

53503355424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557326632 (or 557326624 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 39.

Adding to 53503355424 its reverse (42455330535), we get a palindrome (95958685959).

The spelling of 53503355424 in words is "fifty-three billion, five hundred three million, three hundred fifty-five thousand, four hundred twenty-four".