57755742 has 64 divisors (see below), whose sum is σ = 131721984. Its totient is φ = 16727040.

The previous prime is 57755741. The next prime is 57755767. The reversal of 57755742 is 24755775.

57755742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 57755694 and 57755703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57755741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163438 + ... + 163790.

It is an arithmetic number, because the mean of its divisors is an integer number (2058156).

Almost surely, 2^57755742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57755742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65860992).

57755742 is an abundant number, since it is smaller than the sum of its proper divisors (73966242).

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

57755742 is a wasteful number, since it uses less digits than its factorization.

57755742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473.

The product of its digits is 343000, while the sum is 42.

The square root of 57755742 is about 7599.7198632581. The cubic root of 57755742 is about 386.5435129331.

The spelling of 57755742 in words is "fifty-seven million, seven hundred fifty-five thousand, seven hundred forty-two".