55506650415 has 32 divisors (see below), whose sum is σ = 90344989440. Its totient is φ = 29092421376.

The previous prime is 55506650371. The next prime is 55506650431. The reversal of 55506650415 is 51405660555.

It is not a de Polignac number, because 55506650415 - 2¹² = 55506646319 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3384024 + ... + 3400386.

It is an arithmetic number, because the mean of its divisors is an integer number (2823280920).

Almost surely, 2^55506650415 is an apocalyptic number.

55506650415 is a deficient number, since it is larger than the sum of its proper divisors (34838339025).

55506650415 is a wasteful number, since it uses less digits than its factorization.

55506650415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20263.

The product of its (nonzero) digits is 450000, while the sum is 42.

The spelling of 55506650415 in words is "fifty-five billion, five hundred six million, six hundred fifty thousand, four hundred fifteen".