55195351 has 2 divisors, whose sum is σ = 55195352. Its totient is φ = 55195350.

The previous prime is 55195333. The next prime is 55195363. The reversal of 55195351 is 15359155.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55195351 - 2²³ = 46806743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55195051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27597675 + 27597676.

It is an arithmetic number, because the mean of its divisors is an integer number (27597676).

Almost surely, 2^55195351 is an apocalyptic number.

55195351 is a deficient number, since it is larger than the sum of its proper divisors (1).

55195351 is an equidigital number, since it uses as much as digits as its factorization.

55195351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16875, while the sum is 34.

The square root of 55195351 is about 7429.3573746321. The cubic root of 55195351 is about 380.7449628835.

The spelling of 55195351 in words is "fifty-five million, one hundred ninety-five thousand, three hundred fifty-one".