55651767037 has 2 divisors, whose sum is σ = 55651767038. Its totient is φ = 55651767036.

The previous prime is 55651767023. The next prime is 55651767107. The reversal of 55651767037 is 73076715655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48510503001 + 7141264036 = 220251^2 + 84506^2 .

It is a cyclic number.

It is not a de Polignac number, because 55651767037 - 2²⁷ = 55517549309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55651767937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27825883518 + 27825883519.

It is an arithmetic number, because the mean of its divisors is an integer number (27825883519).

Almost surely, 2^55651767037 is an apocalyptic number.

It is an amenable number.

55651767037 is a deficient number, since it is larger than the sum of its proper divisors (1).

55651767037 is an equidigital number, since it uses as much as digits as its factorization.

55651767037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4630500, while the sum is 52.

The spelling of 55651767037 in words is "fifty-five billion, six hundred fifty-one million, seven hundred sixty-seven thousand, thirty-seven".