57278159445 has 16 divisors (see below), whose sum is σ = 98694675072. Its totient is φ = 28198478400.

The previous prime is 57278159401. The next prime is 57278159461. The reversal of 57278159445 is 54495187275.

57278159445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57278159445 - 2¹⁵ = 57278126677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146866881 + ... + 146867270.

It is an arithmetic number, because the mean of its divisors is an integer number (6168417192).

Almost surely, 2^57278159445 is an apocalyptic number.

It is an amenable number.

57278159445 is a deficient number, since it is larger than the sum of its proper divisors (41416515627).

57278159445 is a wasteful number, since it uses less digits than its factorization.

57278159445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293734172.

The product of its digits is 14112000, while the sum is 57.

The spelling of 57278159445 in words is "fifty-seven billion, two hundred seventy-eight million, one hundred fifty-nine thousand, four hundred forty-five".