55551151605 has 8 divisors (see below), whose sum is σ = 88881842592. Its totient is φ = 29627280848.

The previous prime is 55551151559. The next prime is 55551151609. The reversal of 55551151605 is 50615115555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55551151605 - 2¹⁵ = 55551118837 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55551151609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1851705039 + ... + 1851705068.

It is an arithmetic number, because the mean of its divisors is an integer number (11110230324).

Almost surely, 2^55551151605 is an apocalyptic number.

It is an amenable number.

55551151605 is a deficient number, since it is larger than the sum of its proper divisors (33330690987).

55551151605 is a wasteful number, since it uses less digits than its factorization.

55551151605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703410115.

The product of its (nonzero) digits is 93750, while the sum is 39.

The spelling of 55551151605 in words is "fifty-five billion, five hundred fifty-one million, one hundred fifty-one thousand, six hundred five".