55345570663461 has 32 divisors (see below), whose sum is σ = 84320971176960. Its totient is φ = 31988431555584.

The previous prime is 55345570663451. The next prime is 55345570663499. The reversal of 55345570663461 is 16436607554355.

It is not a de Polignac number, because 55345570663461 - 2¹⁷ = 55345570532389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55345570663395 and 55345570663404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55345570663451) 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, 86819670 + ... + 87454823.

It is an arithmetic number, because the mean of its divisors is an integer number (2635030349280).

Almost surely, 2^{55345570663461} is an apocalyptic number.

55345570663461 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

55345570663461 is a deficient number, since it is larger than the sum of its proper divisors (28975400513499).

55345570663461 is a wasteful number, since it uses less digits than its factorization.

55345570663461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174275005.

The product of its (nonzero) digits is 136080000, while the sum is 60.

The spelling of 55345570663461 in words is "fifty-five trillion, three hundred forty-five billion, five hundred seventy million, six hundred sixty-three thousand, four hundred sixty-one".