53200445381 has 16 divisors (see below), whose sum is σ = 53843400000. Its totient is φ = 52562155008.

The previous prime is 53200445359. The next prime is 53200445387. The reversal of 53200445381 is 18354400235.

It is a cyclic number.

It is not a de Polignac number, because 53200445381 - 2¹⁸ = 53200183237 is a prime.

It is a super-2 number, since 2×53200445381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53200445387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26244890 + ... + 26246916.

It is an arithmetic number, because the mean of its divisors is an integer number (3365212500).

Almost surely, 2^53200445381 is an apocalyptic number.

It is an amenable number.

53200445381 is a deficient number, since it is larger than the sum of its proper divisors (642954619).

53200445381 is a wasteful number, since it uses less digits than its factorization.

53200445381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 53200445381 in words is "fifty-three billion, two hundred million, four hundred forty-five thousand, three hundred eighty-one".