55770573271421 has 8 divisors (see below), whose sum is σ = 57572744748288. Its totient is φ = 53968596840000.

The previous prime is 55770573271393. The next prime is 55770573271451. The reversal of 55770573271421 is 12417237507755.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55770573271421 is a prime.

It is a super-2 number, since 2×55770573271421² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55770573271451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48180140 + ... + 49324101.

It is an arithmetic number, because the mean of its divisors is an integer number (7196593093536).

Almost surely, 2^{55770573271421} is an apocalyptic number.

It is an amenable number.

55770573271421 is a deficient number, since it is larger than the sum of its proper divisors (1802171476867).

55770573271421 is a wasteful number, since it uses less digits than its factorization.

55770573271421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97522723.

The product of its (nonzero) digits is 14406000, while the sum is 56.

The spelling of 55770573271421 in words is "fifty-five trillion, seven hundred seventy billion, five hundred seventy-three million, two hundred seventy-one thousand, four hundred twenty-one".