55537166701 has 4 divisors (see below), whose sum is σ = 56161179900. Its totient is φ = 54913153504.

The previous prime is 55537166693. The next prime is 55537166743. The reversal of 55537166701 is 10766173555.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36424104201 + 19113062500 = 190851^2 + 138250^2 .

It is a cyclic number.

It is not a de Polignac number, because 55537166701 - 2³ = 55537166693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55537166101) 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, 312006466 + ... + 312006643.

It is an arithmetic number, because the mean of its divisors is an integer number (14040294975).

Almost surely, 2^55537166701 is an apocalyptic number.

It is an amenable number.

55537166701 is a deficient number, since it is larger than the sum of its proper divisors (624013199).

55537166701 is an equidigital number, since it uses as much as digits as its factorization.

55537166701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624013198.

The product of its (nonzero) digits is 661500, while the sum is 46.

The spelling of 55537166701 in words is "fifty-five billion, five hundred thirty-seven million, one hundred sixty-six thousand, seven hundred one".