57015994612 has 48 divisors (see below), whose sum is σ = 106661720592. Its totient is φ = 26573783040.

The previous prime is 57015994603. The next prime is 57015994613. The reversal of 57015994612 is 21649951075.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2970904036 + 54045090576 = 54506^2 + 232476^2 .

It is a super-3 number, since 3×57015994612³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57015994613) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 17525578 + ... + 17528830.

It is an arithmetic number, because the mean of its divisors is an integer number (2222119179).

Almost surely, 2^57015994612 is an apocalyptic number.

It is an amenable number.

57015994612 is a deficient number, since it is larger than the sum of its proper divisors (49645725980).

57015994612 is a wasteful number, since it uses less digits than its factorization.

57015994612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5668 (or 5666 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 49.

The spelling of 57015994612 in words is "fifty-seven billion, fifteen million, nine hundred ninety-four thousand, six hundred twelve".