55658053128251 has 32 divisors (see below), whose sum is σ = 65896335751680. Its totient is φ = 45996263308800.

The previous prime is 55658053128211. The next prime is 55658053128287. The reversal of 55658053128251 is 15282135085655.

It is not a de Polignac number, because 55658053128251 - 2¹⁴ = 55658053111867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55658053128211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 841218611 + ... + 841284771.

It is an arithmetic number, because the mean of its divisors is an integer number (2059260492240).

Almost surely, 2^{55658053128251} is an apocalyptic number.

55658053128251 is a deficient number, since it is larger than the sum of its proper divisors (10238282623429).

55658053128251 is a wasteful number, since it uses less digits than its factorization.

55658053128251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72035.

The product of its (nonzero) digits is 14400000, while the sum is 56.

The spelling of 55658053128251 in words is "fifty-five trillion, six hundred fifty-eight billion, fifty-three million, one hundred twenty-eight thousand, two hundred fifty-one".