55620683 has 2 divisors, whose sum is σ = 55620684. Its totient is φ = 55620682.

The previous prime is 55620679. The next prime is 55620689. The reversal of 55620683 is 38602655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55620683 - 2² = 55620679 is a prime.

It is a super-4 number, since 4×55620683⁴ (a number of 32 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (55620689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27810341 + 27810342.

It is an arithmetic number, because the mean of its divisors is an integer number (27810342).

Almost surely, 2^55620683 is an apocalyptic number.

55620683 is a deficient number, since it is larger than the sum of its proper divisors (1).

55620683 is an equidigital number, since it uses as much as digits as its factorization.

55620683 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 55620683 is about 7457.9275271351. The cubic root of 55620683 is about 381.7204605840.

The spelling of 55620683 in words is "fifty-five million, six hundred twenty thousand, six hundred eighty-three".