55313477 has 2 divisors, whose sum is σ = 55313478. Its totient is φ = 55313476.

The previous prime is 55313471. The next prime is 55313491. The reversal of 55313477 is 77431355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37957921 + 17355556 = 6161^2 + 4166^2 .

It is a cyclic number.

It is not a de Polignac number, because 55313477 - 2¹⁸ = 55051333 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55313471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27656738 + 27656739.

It is an arithmetic number, because the mean of its divisors is an integer number (27656739).

Almost surely, 2^55313477 is an apocalyptic number.

It is an amenable number.

55313477 is a deficient number, since it is larger than the sum of its proper divisors (1).

55313477 is an equidigital number, since it uses as much as digits as its factorization.

55313477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44100, while the sum is 35.

The square root of 55313477 is about 7437.3030730232. The cubic root of 55313477 is about 381.0163856984.

The spelling of 55313477 in words is "fifty-five million, three hundred thirteen thousand, four hundred seventy-seven".