55880892921 has 8 divisors (see below), whose sum is σ = 85151836864. Its totient is φ = 31931938800.

The previous prime is 55880892883. The next prime is 55880892931. The reversal of 55880892921 is 12929808855.

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

It is not a de Polignac number, because 55880892921 - 2⁹ = 55880892409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55880892931) 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, 1330497430 + ... + 1330497471.

It is an arithmetic number, because the mean of its divisors is an integer number (10643979608).

Almost surely, 2^55880892921 is an apocalyptic number.

It is an amenable number.

55880892921 is a deficient number, since it is larger than the sum of its proper divisors (29270943943).

55880892921 is a wasteful number, since it uses less digits than its factorization.

55880892921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660994911.

The product of its (nonzero) digits is 4147200, while the sum is 57.

The spelling of 55880892921 in words is "fifty-five billion, eight hundred eighty million, eight hundred ninety-two thousand, nine hundred twenty-one".