39556188053 has 2 divisors, whose sum is σ = 39556188054. Its totient is φ = 39556188052.

The previous prime is 39556188029. The next prime is 39556188109. The reversal of 39556188053 is 35088165593.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37644924529 + 1911263524 = 194023^2 + 43718^2 .

It is a cyclic number.

It is not a de Polignac number, because 39556188053 - 2¹⁰ = 39556187029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39556187986 and 39556188004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39556188653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19778094026 + 19778094027.

It is an arithmetic number, because the mean of its divisors is an integer number (19778094027).

Almost surely, 2^39556188053 is an apocalyptic number.

It is an amenable number.

39556188053 is a deficient number, since it is larger than the sum of its proper divisors (1).

39556188053 is an equidigital number, since it uses as much as digits as its factorization.

39556188053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888000, while the sum is 53.

The spelling of 39556188053 in words is "thirty-nine billion, five hundred fifty-six million, one hundred eighty-eight thousand, fifty-three".