55050997 has 2 divisors, whose sum is σ = 55050998. Its totient is φ = 55050996.

The previous prime is 55050973. The next prime is 55051027. The reversal of 55050997 is 79905055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52620516 + 2430481 = 7254^2 + 1559^2 .

It is a cyclic number.

It is not a de Polignac number, because 55050997 - 2⁷ = 55050869 is a prime.

It is a super-2 number, since 2×55050997² = 6061224541388018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55050917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27525498 + 27525499.

It is an arithmetic number, because the mean of its divisors is an integer number (27525499).

Almost surely, 2^55050997 is an apocalyptic number.

It is an amenable number.

55050997 is a deficient number, since it is larger than the sum of its proper divisors (1).

55050997 is an equidigital number, since it uses as much as digits as its factorization.

55050997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70875, while the sum is 40.

The square root of 55050997 is about 7419.6359075092. The cubic root of 55050997 is about 380.4127486556.

The spelling of 55050997 in words is "fifty-five million, fifty thousand, nine hundred ninety-seven".