55101573521730 has 384 divisors, whose sum is σ = 157779085464000. Its totient is φ = 13279769395200.

The previous prime is 55101573521719. The next prime is 55101573521741. The reversal of 55101573521730 is 3712537510155.

55101573521730 is a `hidden beast` number, since 5 + 5 + 1 + 0 + 1 + 57 + 3 + 521 + 73 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (55101573521719) and next prime (55101573521741).

It can be written as a sum of positive squares in 32 ways, for example, as 80353540089 + 55021219981641 = 283467^2 + 7417629^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9420679846 + ... + 9420685694.

Almost surely, 2^{55101573521730} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55101573521730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78889542732000).

55101573521730 is an abundant number, since it is smaller than the sum of its proper divisors (102677511942270).

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

55101573521730 is a wasteful number, since it uses less digits than its factorization.

55101573521730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7030 (or 7027 counting only the distinct ones).

The product of its (nonzero) digits is 551250, while the sum is 45.

The spelling of 55101573521730 in words is "fifty-five trillion, one hundred one billion, five hundred seventy-three million, five hundred twenty-one thousand, seven hundred thirty".