57255633142 has 16 divisors (see below), whose sum is σ = 90439699680. Its totient is φ = 27131905152.

The previous prime is 57255633121. The next prime is 57255633143. The reversal of 57255633142 is 24133655275.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57255633143) 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 7 ways as a sum of consecutive naturals, for example, 5704563 + ... + 5714590.

It is an arithmetic number, because the mean of its divisors is an integer number (5652481230).

Almost surely, 2^57255633142 is an apocalyptic number.

57255633142 is a deficient number, since it is larger than the sum of its proper divisors (33184066538).

57255633142 is a wasteful number, since it uses less digits than its factorization.

57255633142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11419287.

The product of its digits is 756000, while the sum is 43.

The spelling of 57255633142 in words is "fifty-seven billion, two hundred fifty-five million, six hundred thirty-three thousand, one hundred forty-two".