55105532531252 has 48 divisors (see below), whose sum is σ = 111812420522880. Its totient is φ = 23275237911552.

The previous prime is 55105532531249. The next prime is 55105532531297. The reversal of 55105532531252 is 25213523550155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35249573 + ... + 36779660.

It is an arithmetic number, because the mean of its divisors is an integer number (2329425427560).

Almost surely, 2^{55105532531252} is an apocalyptic number.

It is an amenable number.

55105532531252 is an abundant number, since it is smaller than the sum of its proper divisors (56706887991628).

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

55105532531252 is a wasteful number, since it uses less digits than its factorization.

55105532531252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72029640 (or 72029638 counting only the distinct ones).

The product of its (nonzero) digits is 1125000, while the sum is 44.

The spelling of 55105532531252 in words is "fifty-five trillion, one hundred five billion, five hundred thirty-two million, five hundred thirty-one thousand, two hundred fifty-two".