55880953 has 2 divisors, whose sum is σ = 55880954. Its totient is φ = 55880952.

The previous prime is 55880947. The next prime is 55880971. The reversal of 55880953 is 35908855.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50737129 + 5143824 = 7123^2 + 2268^2 .

It is a cyclic number.

It is not a de Polignac number, because 55880953 - 2⁹ = 55880441 is a prime.

It is not a weakly prime, because it can be changed into another prime (55880933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27940476 + 27940477.

It is an arithmetic number, because the mean of its divisors is an integer number (27940477).

Almost surely, 2^55880953 is an apocalyptic number.

It is an amenable number.

55880953 is a deficient number, since it is larger than the sum of its proper divisors (1).

55880953 is an equidigital number, since it uses as much as digits as its factorization.

55880953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 43.

The square root of 55880953 is about 7475.3563794645. The cubic root of 55880953 is about 382.3149386010.

The spelling of 55880953 in words is "fifty-five million, eight hundred eighty thousand, nine hundred fifty-three".