57448006155 has 48 divisors (see below), whose sum is σ = 103173164640. Its totient is φ = 29546947584.

The previous prime is 57448006139. The next prime is 57448006181. The reversal of 57448006155 is 55160084475.

57448006155 is a `hidden beast` number, since 57 + 448 + 0 + 0 + 6 + 155 = 666.

It is not a de Polignac number, because 57448006155 - 2⁴ = 57448006139 is a prime.

It is a super-3 number, since 3×57448006155³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 57448006155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35476 + ... + 340814.

It is an arithmetic number, because the mean of its divisors is an integer number (2149440930).

Almost surely, 2^57448006155 is an apocalyptic number.

57448006155 is a deficient number, since it is larger than the sum of its proper divisors (45725158485).

57448006155 is a wasteful number, since it uses less digits than its factorization.

57448006155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305500 (or 305497 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The spelling of 57448006155 in words is "fifty-seven billion, four hundred forty-eight million, six thousand, one hundred fifty-five".