57284901149 has 16 divisors (see below), whose sum is σ = 66774220800. Its totient is φ = 48130967664.

The previous prime is 57284901133. The next prime is 57284901197. The reversal of 57284901149 is 94110948275.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 57284901149 - 2⁴ = 57284901133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57284901097 and 57284901106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57284906149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295757 + ... + 449490.

It is an arithmetic number, because the mean of its divisors is an integer number (4173388800).

Almost surely, 2^57284901149 is an apocalyptic number.

It is an amenable number.

57284901149 is a deficient number, since it is larger than the sum of its proper divisors (9489319651).

57284901149 is a wasteful number, since it uses less digits than its factorization.

57284901149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745472.

The product of its (nonzero) digits is 725760, while the sum is 50.

The spelling of 57284901149 in words is "fifty-seven billion, two hundred eighty-four million, nine hundred one thousand, one hundred forty-nine".