55413655653637 has 2 divisors, whose sum is σ = 55413655653638. Its totient is φ = 55413655653636.

The previous prime is 55413655653613. The next prime is 55413655653689. The reversal of 55413655653637 is 73635655631455.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55403697409956 + 9958243681 = 7443366^2 + 99791^2 .

It is a cyclic number.

It is not a de Polignac number, because 55413655653637 - 2³¹ = 55411508169989 is a prime.

It is a super-2 number, since 2×55413655653637² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55413655603637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27706827826818 + 27706827826819.

It is an arithmetic number, because the mean of its divisors is an integer number (27706827826819).

Almost surely, 2^{55413655653637} is an apocalyptic number.

It is an amenable number.

55413655653637 is a deficient number, since it is larger than the sum of its proper divisors (1).

55413655653637 is an equidigital number, since it uses as much as digits as its factorization.

55413655653637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 510300000, while the sum is 64.

The spelling of 55413655653637 in words is "fifty-five trillion, four hundred thirteen billion, six hundred fifty-five million, six hundred fifty-three thousand, six hundred thirty-seven".