55435927 has 2 divisors, whose sum is σ = 55435928. Its totient is φ = 55435926.

The previous prime is 55435921. The next prime is 55435937. The reversal of 55435927 is 72953455.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55435927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55435927.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55435921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27717963 + 27717964.

It is an arithmetic number, because the mean of its divisors is an integer number (27717964).

Almost surely, 2^55435927 is an apocalyptic number.

55435927 is a deficient number, since it is larger than the sum of its proper divisors (1).

55435927 is an equidigital number, since it uses as much as digits as its factorization.

55435927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 40.

The square root of 55435927 is about 7445.5306728265. The cubic root of 55435927 is about 381.2973363423.

It can be divided in two parts, 554 and 35927, that added together give a square (36481 = 191²).

The spelling of 55435927 in words is "fifty-five million, four hundred thirty-five thousand, nine hundred twenty-seven".