57540070 has 32 divisors (see below), whose sum is σ = 125333568. Its totient is φ = 18567168.

The previous prime is 57540011. The next prime is 57540073. The reversal of 57540070 is 7004575.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57540073) 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, 22987 + ... + 25366.

It is an arithmetic number, because the mean of its divisors is an integer number (3916674).

Almost surely, 2^57540070 is an apocalyptic number.

57540070 is an abundant number, since it is smaller than the sum of its proper divisors (67793498).

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

57540070 is a wasteful number, since it uses less digits than its factorization.

57540070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48384.

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 57540070 is about 7585.5171214625. The cubic root of 57540070 is about 386.0617680601.

The spelling of 57540070 in words is "fifty-seven million, five hundred forty thousand, seventy".