55530305525057 has 4 divisors (see below), whose sum is σ = 60578515118256. Its totient is φ = 50482095931860.

The previous prime is 55530305525027. The next prime is 55530305525087. The reversal of 55530305525057 is 75052550303555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (55530305525027) and next prime (55530305525087).

It is a cyclic number.

It is not a de Polignac number, because 55530305525057 - 2²⁶ = 55530238416193 is a prime.

It is a super-2 number, since 2×55530305525057² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55530305524996 and 55530305525014.

It is not an unprimeable number, because it can be changed into a prime (55530305525027) 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, 2524104796583 + ... + 2524104796604.

It is an arithmetic number, because the mean of its divisors is an integer number (15144628779564).

Almost surely, 2^{55530305525057} is an apocalyptic number.

It is an amenable number.

55530305525057 is a deficient number, since it is larger than the sum of its proper divisors (5048209593199).

55530305525057 is a wasteful number, since it uses less digits than its factorization.

55530305525057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5048209593198.

The product of its (nonzero) digits is 9843750, while the sum is 50.

The spelling of 55530305525057 in words is "fifty-five trillion, five hundred thirty billion, three hundred five million, five hundred twenty-five thousand, fifty-seven".