55893407 has 2 divisors, whose sum is σ = 55893408. Its totient is φ = 55893406.

The previous prime is 55893371. The next prime is 55893419. The reversal of 55893407 is 70439855.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55893407 - 2¹⁴ = 55877023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55893907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27946703 + 27946704.

It is an arithmetic number, because the mean of its divisors is an integer number (27946704).

Almost surely, 2^55893407 is an apocalyptic number.

55893407 is a deficient number, since it is larger than the sum of its proper divisors (1).

55893407 is an equidigital number, since it uses as much as digits as its factorization.

55893407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 55893407 is about 7476.1893368213. The cubic root of 55893407 is about 382.3433382394.

The spelling of 55893407 in words is "fifty-five million, eight hundred ninety-three thousand, four hundred seven".