55956375601 has 27 divisors (see below), whose sum is σ = 66599142969. Its totient is φ = 46876838568.

The previous prime is 55956375593. The next prime is 55956375611. The reversal of 55956375601 is 10657365955.

The square root of 55956375601 is 236551.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 55956375601 - 2³ = 55956375593 is a prime.

It is a super-2 number, since 2×55956375601² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55956375611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 77824920 + ... + 77825638.

Almost surely, 2^55956375601 is an apocalyptic number.

55956375601 is the 236551-st square number.

55956375601 is the 118276-th centered octagonal number.

It is an amenable number.

55956375601 is a deficient number, since it is larger than the sum of its proper divisors (10642767368).

55956375601 is an frugal number, since it uses more digits than its factorization.

55956375601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546 (or 773 counting only the distinct ones).

The product of its (nonzero) digits is 4252500, while the sum is 52.

The spelling of 55956375601 in words is "fifty-five billion, nine hundred fifty-six million, three hundred seventy-five thousand, six hundred one".