55631941 has 2 divisors, whose sum is σ = 55631942. Its totient is φ = 55631940.

The previous prime is 55631929. The next prime is 55631971. The reversal of 55631941 is 14913655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53217025 + 2414916 = 7295^2 + 1554^2 .

It is a cyclic number.

It is not a de Polignac number, because 55631941 - 2⁷ = 55631813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55631897 and 55631906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55631921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27815970 + 27815971.

It is an arithmetic number, because the mean of its divisors is an integer number (27815971).

Almost surely, 2^55631941 is an apocalyptic number.

It is an amenable number.

55631941 is a deficient number, since it is larger than the sum of its proper divisors (1).

55631941 is an equidigital number, since it uses as much as digits as its factorization.

55631941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 34.

The square root of 55631941 is about 7458.6822562702. The cubic root of 55631941 is about 381.7462131087.

The spelling of 55631941 in words is "fifty-five million, six hundred thirty-one thousand, nine hundred forty-one".