55632641 has 2 divisors, whose sum is σ = 55632642. Its totient is φ = 55632640.

The previous prime is 55632637. The next prime is 55632667. The reversal of 55632641 is 14623655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40195600 + 15437041 = 6340^2 + 3929^2 .

It is a cyclic number.

It is not a de Polignac number, because 55632641 - 2² = 55632637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55632598 and 55632607.

It is not a weakly prime, because it can be changed into another prime (55632601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27816320 + 27816321.

It is an arithmetic number, because the mean of its divisors is an integer number (27816321).

Almost surely, 2^55632641 is an apocalyptic number.

It is an amenable number.

55632641 is a deficient number, since it is larger than the sum of its proper divisors (1).

55632641 is an equidigital number, since it uses as much as digits as its factorization.

55632641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 32.

The square root of 55632641 is about 7458.7291813016. The cubic root of 55632641 is about 381.7478142346.

The spelling of 55632641 in words is "fifty-five million, six hundred thirty-two thousand, six hundred forty-one".