57491484398 has 4 divisors (see below), whose sum is σ = 86237226600. Its totient is φ = 28745742198.

The previous prime is 57491484389. The next prime is 57491484439. The reversal of 57491484398 is 89348419475.

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

It is a self number, because there is not a number n which added to its sum of digits gives 57491484398.

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, 14372871098 + ... + 14372871101.

It is an arithmetic number, because the mean of its divisors is an integer number (21559306650).

Almost surely, 2^57491484398 is an apocalyptic number.

57491484398 is a deficient number, since it is larger than the sum of its proper divisors (28745742202).

57491484398 is a wasteful number, since it uses less digits than its factorization.

57491484398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28745742201.

The product of its digits is 34836480, while the sum is 62.

The spelling of 57491484398 in words is "fifty-seven billion, four hundred ninety-one million, four hundred eighty-four thousand, three hundred ninety-eight".