55283285856154 has 4 divisors (see below), whose sum is σ = 82924928784234. Its totient is φ = 27641642928076.

The previous prime is 55283285856047. The next prime is 55283285856221. The reversal of 55283285856154 is 45165858238255.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 54821096632129 + 462189224025 = 7404127^2 + 679845^2 .

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 55283285856154.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13820821464037 + ... + 13820821464040.

Almost surely, 2^{55283285856154} is an apocalyptic number.

55283285856154 is a deficient number, since it is larger than the sum of its proper divisors (27641642928080).

55283285856154 is a wasteful number, since it uses less digits than its factorization.

55283285856154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27641642928079.

The product of its digits is 460800000, while the sum is 67.

The spelling of 55283285856154 in words is "fifty-five trillion, two hundred eighty-three billion, two hundred eighty-five million, eight hundred fifty-six thousand, one hundred fifty-four".