55553666722037 has 16 divisors (see below), whose sum is σ = 62560284403200. Its totient is φ = 48873165004800.

The previous prime is 55553666722009. The next prime is 55553666722049. The reversal of 55553666722037 is 73022766635555.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55553666722037 is a prime.

It is a super-2 number, since 2×55553666722037² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55553666722637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14743589 + ... + 18124037.

It is an arithmetic number, because the mean of its divisors is an integer number (3910017775200).

Almost surely, 2^{55553666722037} is an apocalyptic number.

It is an amenable number.

55553666722037 is a deficient number, since it is larger than the sum of its proper divisors (7006617681163).

55553666722037 is a wasteful number, since it uses less digits than its factorization.

55553666722037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3428684.

The product of its (nonzero) digits is 238140000, while the sum is 62.

The spelling of 55553666722037 in words is "fifty-five trillion, five hundred fifty-three billion, six hundred sixty-six million, seven hundred twenty-two thousand, thirty-seven".