55875077 has 2 divisors, whose sum is σ = 55875078. Its totient is φ = 55875076.

The previous prime is 55875059. The next prime is 55875089. The reversal of 55875077 is 77057855.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38950081 + 16924996 = 6241^2 + 4114^2 .

It is a cyclic number.

It is not a de Polignac number, because 55875077 - 2⁸ = 55874821 is a prime.

It is a super-3 number, since 3×55875077³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55875097) 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, 27937538 + 27937539.

It is an arithmetic number, because the mean of its divisors is an integer number (27937539).

Almost surely, 2^55875077 is an apocalyptic number.

It is an amenable number.

55875077 is a deficient number, since it is larger than the sum of its proper divisors (1).

55875077 is an equidigital number, since it uses as much as digits as its factorization.

55875077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 343000, while the sum is 44.

The square root of 55875077 is about 7474.9633443917. The cubic root of 55875077 is about 382.3015377241.

The spelling of 55875077 in words is "fifty-five million, eight hundred seventy-five thousand, seventy-seven".