57405755 has 16 divisors (see below), whose sum is σ = 75340800. Its totient is φ = 41643360.

The previous prime is 57405739. The next prime is 57405767. The reversal of 57405755 is 55750475.

It is not a de Polignac number, because 57405755 - 2⁴ = 57405739 is a prime.

It is an unprimeable number.

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, 25256 + ... + 27434.

It is an arithmetic number, because the mean of its divisors is an integer number (4708800).

Almost surely, 2^57405755 is an apocalyptic number.

57405755 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

57405755 is a deficient number, since it is larger than the sum of its proper divisors (17935045).

57405755 is a wasteful number, since it uses less digits than its factorization.

57405755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674.

The product of its (nonzero) digits is 122500, while the sum is 38.

The square root of 57405755 is about 7576.6585643013. The cubic root of 57405755 is about 385.7611411170.

The spelling of 57405755 in words is "fifty-seven million, four hundred five thousand, seven hundred fifty-five".