55610100551 has 2 divisors, whose sum is σ = 55610100552. Its totient is φ = 55610100550.

The previous prime is 55610100547. The next prime is 55610100577. The reversal of 55610100551 is 15500101655.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55610100551 - 2² = 55610100547 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55610100521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27805050275 + 27805050276.

It is an arithmetic number, because the mean of its divisors is an integer number (27805050276).

Almost surely, 2^55610100551 is an apocalyptic number.

55610100551 is a deficient number, since it is larger than the sum of its proper divisors (1).

55610100551 is an equidigital number, since it uses as much as digits as its factorization.

55610100551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 55610100551 in words is "fifty-five billion, six hundred ten million, one hundred thousand, five hundred fifty-one".