55093949 has 2 divisors, whose sum is σ = 55093950. Its totient is φ = 55093948.

The previous prime is 55093943. The next prime is 55093967. The reversal of 55093949 is 94939055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36517849 + 18576100 = 6043^2 + 4310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55093949 is a prime.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55093943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27546974 + 27546975.

It is an arithmetic number, because the mean of its divisors is an integer number (27546975).

Almost surely, 2^55093949 is an apocalyptic number.

It is an amenable number.

55093949 is a deficient number, since it is larger than the sum of its proper divisors (1).

55093949 is an equidigital number, since it uses as much as digits as its factorization.

55093949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 218700, while the sum is 44.

The square root of 55093949 is about 7422.5298247969. The cubic root of 55093949 is about 380.5116584038.

The spelling of 55093949 in words is "fifty-five million, ninety-three thousand, nine hundred forty-nine".