55533075805528 has 16 divisors (see below), whose sum is σ = 104126942494080. Its totient is φ = 27765891140448.

The previous prime is 55533075805523. The next prime is 55533075805547. The reversal of 55533075805528 is 82550857033555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55533075805523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80480275 + ... + 81167362.

It is an arithmetic number, because the mean of its divisors is an integer number (6507933905880).

Almost surely, 2^{55533075805528} is an apocalyptic number.

It is an amenable number.

55533075805528 is a deficient number, since it is larger than the sum of its proper divisors (48593866688552).

55533075805528 is a wasteful number, since it uses less digits than its factorization.

55533075805528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161690586 (or 161690582 counting only the distinct ones).

The product of its (nonzero) digits is 126000000, while the sum is 61.

The spelling of 55533075805528 in words is "fifty-five trillion, five hundred thirty-three billion, seventy-five million, eight hundred five thousand, five hundred twenty-eight".