57428382541 has 4 divisors (see below), whose sum is σ = 57430013212. Its totient is φ = 57426751872.

The previous prime is 57428382523. The next prime is 57428382707. The reversal of 57428382541 is 14528382475.

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

It can be written as a sum of positive squares in 2 ways, for example, as 38147949225 + 19280433316 = 195315^2 + 138854^2 .

It is a cyclic number.

It is not a de Polignac number, because 57428382541 - 2⁷ = 57428382413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57428386541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761316 + ... + 833341.

It is an arithmetic number, because the mean of its divisors is an integer number (14357503303).

Almost surely, 2^57428382541 is an apocalyptic number.

It is an amenable number.

57428382541 is a deficient number, since it is larger than the sum of its proper divisors (1630671).

57428382541 is a wasteful number, since it uses less digits than its factorization.

57428382541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630670.

The product of its digits is 2150400, while the sum is 49.

The spelling of 57428382541 in words is "fifty-seven billion, four hundred twenty-eight million, three hundred eighty-two thousand, five hundred forty-one".