55552793 has 2 divisors, whose sum is σ = 55552794. Its totient is φ = 55552792.

The previous prime is 55552771. The next prime is 55552801. The reversal of 55552793 is 39725555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55472704 + 80089 = 7448^2 + 283^2 .

It is a cyclic number.

It is not a de Polignac number, because 55552793 - 2⁶ = 55552729 is a prime.

It is a super-2 number, since 2×55552793² = 6172225620201698, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55552793.

It is not a weakly prime, because it can be changed into another prime (55552703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27776396 + 27776397.

It is an arithmetic number, because the mean of its divisors is an integer number (27776397).

Almost surely, 2^55552793 is an apocalyptic number.

It is an amenable number.

55552793 is a deficient number, since it is larger than the sum of its proper divisors (1).

55552793 is an equidigital number, since it uses as much as digits as its factorization.

55552793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 236250, while the sum is 41.

The square root of 55552793 is about 7453.3746048350. The cubic root of 55552793 is about 381.5650894062.

The spelling of 55552793 in words is "fifty-five million, five hundred fifty-two thousand, seven hundred ninety-three".