55464119 has 2 divisors, whose sum is σ = 55464120. Its totient is φ = 55464118.

The previous prime is 55464091. The next prime is 55464121. The reversal of 55464119 is 91146455.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55464119 is a prime.

It is a super-2 number, since 2×55464119² = 6152536992892322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 55464121, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55464139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27732059 + 27732060.

It is an arithmetic number, because the mean of its divisors is an integer number (27732060).

Almost surely, 2^55464119 is an apocalyptic number.

55464119 is a deficient number, since it is larger than the sum of its proper divisors (1).

55464119 is an equidigital number, since it uses as much as digits as its factorization.

55464119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 35.

The square root of 55464119 is about 7447.4236484841. The cubic root of 55464119 is about 381.3619617779.

The spelling of 55464119 in words is "fifty-five million, four hundred sixty-four thousand, one hundred nineteen".