55165763 has 2 divisors, whose sum is σ = 55165764. Its totient is φ = 55165762.

The previous prime is 55165757. The next prime is 55165811. The reversal of 55165763 is 36756155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55165763 - 2⁶ = 55165699 is a prime.

It is a super-2 number, since 2×55165763² = 6086522814744338, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (55165703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27582881 + 27582882.

It is an arithmetic number, because the mean of its divisors is an integer number (27582882).

Almost surely, 2^55165763 is an apocalyptic number.

55165763 is a deficient number, since it is larger than the sum of its proper divisors (1).

55165763 is an equidigital number, since it uses as much as digits as its factorization.

55165763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94500, while the sum is 38.

The square root of 55165763 is about 7427.3658183773. The cubic root of 55165763 is about 380.6769167205.

The spelling of 55165763 in words is "fifty-five million, one hundred sixty-five thousand, seven hundred sixty-three".