57121452238 has 8 divisors (see below), whose sum is σ = 87674787288. Its totient is φ = 27896523144.

The previous prime is 57121452211. The next prime is 57121452251. The reversal of 57121452238 is 83225412175.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 57121452238.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 332101381 + ... + 332101552.

It is an arithmetic number, because the mean of its divisors is an integer number (10959348411).

Almost surely, 2^57121452238 is an apocalyptic number.

57121452238 is a deficient number, since it is larger than the sum of its proper divisors (30553335050).

57121452238 is a wasteful number, since it uses less digits than its factorization.

57121452238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664202978.

The product of its digits is 134400, while the sum is 40.

The spelling of 57121452238 in words is "fifty-seven billion, one hundred twenty-one million, four hundred fifty-two thousand, two hundred thirty-eight".