55462207 has 2 divisors, whose sum is σ = 55462208. Its totient is φ = 55462206.

The previous prime is 55462171. The next prime is 55462247. The reversal of 55462207 is 70226455.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55462207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55462247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27731103 + 27731104.

It is an arithmetic number, because the mean of its divisors is an integer number (27731104).

Almost surely, 2^55462207 is an apocalyptic number.

55462207 is a deficient number, since it is larger than the sum of its proper divisors (1).

55462207 is an equidigital number, since it uses as much as digits as its factorization.

55462207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 55462207 is about 7447.2952808385. The cubic root of 55462207 is about 381.3575795306.

The spelling of 55462207 in words is "fifty-five million, four hundred sixty-two thousand, two hundred seven".