55357712612645 has 16 divisors (see below), whose sum is σ = 69411282756480. Its totient is φ = 42303362739264.

The previous prime is 55357712612641. The next prime is 55357712612701. The reversal of 55357712612645 is 54621621775355.

It is a cyclic number.

It is not a de Polignac number, because 55357712612645 - 2² = 55357712612641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55357712612641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325606094 + ... + 325776063.

It is an arithmetic number, because the mean of its divisors is an integer number (4338205172280).

Almost surely, 2^{55357712612645} is an apocalyptic number.

It is an amenable number.

55357712612645 is a deficient number, since it is larger than the sum of its proper divisors (14053570143835).

55357712612645 is a wasteful number, since it uses less digits than its factorization.

55357712612645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651382924.

The product of its digits is 52920000, while the sum is 59.

The spelling of 55357712612645 in words is "fifty-five trillion, three hundred fifty-seven billion, seven hundred twelve million, six hundred twelve thousand, six hundred forty-five".