55280253005 has 4 divisors (see below), whose sum is σ = 66336303612. Its totient is φ = 44224202400.

The previous prime is 55280252897. The next prime is 55280253029. The reversal of 55280253005 is 50035208255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50035208255 = 5 ⋅10007041651.

It can be written as a sum of positive squares in 2 ways, for example, as 43269408169 + 12010844836 = 208013^2 + 109594^2 .

It is not a de Polignac number, because 55280253005 - 2¹⁰ = 55280251981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5528025296 + ... + 5528025305.

It is an arithmetic number, because the mean of its divisors is an integer number (16584075903).

Almost surely, 2^55280253005 is an apocalyptic number.

It is an amenable number.

55280253005 is a deficient number, since it is larger than the sum of its proper divisors (11056050607).

55280253005 is a wasteful number, since it uses less digits than its factorization.

55280253005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11056050606.

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 55280253005 in words is "fifty-five billion, two hundred eighty million, two hundred fifty-three thousand, five".