57155516070 has 64 divisors (see below), whose sum is σ = 140231264256. Its totient is φ = 14902336640.

The previous prime is 57155516003. The next prime is 57155516071. The reversal of 57155516070 is 7061555175.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57155516071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1434052 + ... + 1473368.

It is an arithmetic number, because the mean of its divisors is an integer number (2191113504).

Almost surely, 2^57155516070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57155516070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70115632128).

57155516070 is an abundant number, since it is smaller than the sum of its proper divisors (83075748186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57155516070 is a wasteful number, since it uses less digits than its factorization.

57155516070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40405.

The product of its (nonzero) digits is 183750, while the sum is 42.

The spelling of 57155516070 in words is "fifty-seven billion, one hundred fifty-five million, five hundred sixteen thousand, seventy".