55673747 has 2 divisors, whose sum is σ = 55673748. Its totient is φ = 55673746.

The previous prime is 55673713. The next prime is 55673767. The reversal of 55673747 is 74737655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55673747 - 2¹⁰ = 55672723 is a prime.

It is a super-2 number, since 2×55673747² = 6199132210040018, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55673698 and 55673707.

It is not a weakly prime, because it can be changed into another prime (55673767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27836873 + 27836874.

It is an arithmetic number, because the mean of its divisors is an integer number (27836874).

Almost surely, 2^55673747 is an apocalyptic number.

55673747 is a deficient number, since it is larger than the sum of its proper divisors (1).

55673747 is an equidigital number, since it uses as much as digits as its factorization.

55673747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 617400, while the sum is 44.

The square root of 55673747 is about 7461.4842357268. The cubic root of 55673747 is about 381.8418133814.

The spelling of 55673747 in words is "fifty-five million, six hundred seventy-three thousand, seven hundred forty-seven".