55833257 has 2 divisors, whose sum is σ = 55833258. Its totient is φ = 55833256.

The previous prime is 55833241. The next prime is 55833299. The reversal of 55833257 is 75233855.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45212176 + 10621081 = 6724^2 + 3259^2 .

It is a cyclic number.

It is not a de Polignac number, because 55833257 - 2⁴ = 55833241 is a prime.

It is equal to p_3328994 and since 55833257 and 3328994 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55833257.

It is not a weakly prime, because it can be changed into another prime (55833157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27916628 + 27916629.

It is an arithmetic number, because the mean of its divisors is an integer number (27916629).

Almost surely, 2^55833257 is an apocalyptic number.

It is an amenable number.

55833257 is a deficient number, since it is larger than the sum of its proper divisors (1).

55833257 is an equidigital number, since it uses as much as digits as its factorization.

55833257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 126000, while the sum is 38.

The square root of 55833257 is about 7472.1654826429. The cubic root of 55833257 is about 382.2061353756.

The spelling of 55833257 in words is "fifty-five million, eight hundred thirty-three thousand, two hundred fifty-seven".