54651332551 has 2 divisors, whose sum is σ = 54651332552. Its totient is φ = 54651332550.

The previous prime is 54651332509. The next prime is 54651332599. The reversal of 54651332551 is 15523315645.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54651332551 - 2¹⁵ = 54651299783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54651330551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27325666275 + 27325666276.

It is an arithmetic number, because the mean of its divisors is an integer number (27325666276).

Almost surely, 2^54651332551 is an apocalyptic number.

54651332551 is a deficient number, since it is larger than the sum of its proper divisors (1).

54651332551 is an equidigital number, since it uses as much as digits as its factorization.

54651332551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 270000, while the sum is 40.

The spelling of 54651332551 in words is "fifty-four billion, six hundred fifty-one million, three hundred thirty-two thousand, five hundred fifty-one".