55090927 has 2 divisors, whose sum is σ = 55090928. Its totient is φ = 55090926.

The previous prime is 55090907. The next prime is 55090933. The reversal of 55090927 is 72909055.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55090927 is a 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 (55090907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27545463 + 27545464.

It is an arithmetic number, because the mean of its divisors is an integer number (27545464).

Almost surely, 2^55090927 is an apocalyptic number.

55090927 is a deficient number, since it is larger than the sum of its proper divisors (1).

55090927 is an equidigital number, since it uses as much as digits as its factorization.

55090927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 55090927 is about 7422.3262525976. The cubic root of 55090927 is about 380.5047010320.

The spelling of 55090927 in words is "fifty-five million, ninety thousand, nine hundred twenty-seven".