53125016553 has 12 divisors (see below), whose sum is σ = 87698440128. Its totient is φ = 30357152280.

The previous prime is 53125016533. The next prime is 53125016573. The reversal of 53125016553 is 35561052135.

53125016553 is a `hidden beast` number, since 53 + 1 + 2 + 50 + 1 + 6 + 553 = 666.

It is an interprime number because it is at equal distance from previous prime (53125016533) and next prime (53125016573).

It is not a de Polignac number, because 53125016553 - 2⁹ = 53125016041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53125016533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 421627053 + ... + 421627178.

It is an arithmetic number, because the mean of its divisors is an integer number (7308203344).

Almost surely, 2^53125016553 is an apocalyptic number.

It is an amenable number.

53125016553 is a deficient number, since it is larger than the sum of its proper divisors (34573423575).

53125016553 is a wasteful number, since it uses less digits than its factorization.

53125016553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843254244 (or 843254241 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

Adding to 53125016553 its reverse (35561052135), we get a palindrome (88686068688).

The spelling of 53125016553 in words is "fifty-three billion, one hundred twenty-five million, sixteen thousand, five hundred fifty-three".