57378056517542 has 4 divisors (see below), whose sum is σ = 86067084776316. Its totient is φ = 28689028258770.

The previous prime is 57378056517539. The next prime is 57378056517563. The reversal of 57378056517542 is 24571565087375.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14344514129384 + ... + 14344514129387.

It is an arithmetic number, because the mean of its divisors is an integer number (21516771194079).

Almost surely, 2^{57378056517542} is an apocalyptic number.

57378056517542 is a deficient number, since it is larger than the sum of its proper divisors (28689028258774).

57378056517542 is a wasteful number, since it uses less digits than its factorization.

57378056517542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28689028258773.

The product of its (nonzero) digits is 246960000, while the sum is 65.

The spelling of 57378056517542 in words is "fifty-seven trillion, three hundred seventy-eight billion, fifty-six million, five hundred seventeen thousand, five hundred forty-two".