57208367402 has 4 divisors (see below), whose sum is σ = 85812551106. Its totient is φ = 28604183700.

The previous prime is 57208367393. The next prime is 57208367413. The reversal of 57208367402 is 20476380275.

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., 38400713521 + 18807653881 = 195961^2 + 137141^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14302091849 + ... + 14302091852.

Almost surely, 2^57208367402 is an apocalyptic number.

57208367402 is a deficient number, since it is larger than the sum of its proper divisors (28604183704).

57208367402 is a wasteful number, since it uses less digits than its factorization.

57208367402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28604183703.

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 57208367402 in words is "fifty-seven billion, two hundred eight million, three hundred sixty-seven thousand, four hundred two".