57770061 has 8 divisors (see below), whose sum is σ = 79108704. Its totient is φ = 37472400.

The previous prime is 57770021. The next prime is 57770077. The reversal of 57770061 is 16007775.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57770061 - 2⁹ = 57769549 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57770021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260115 + ... + 260336.

It is an arithmetic number, because the mean of its divisors is an integer number (9888588).

Almost surely, 2^57770061 is an apocalyptic number.

It is an amenable number.

57770061 is a deficient number, since it is larger than the sum of its proper divisors (21338643).

57770061 is a wasteful number, since it uses less digits than its factorization.

57770061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520491.

The product of its (nonzero) digits is 10290, while the sum is 33.

The square root of 57770061 is about 7600.6618790734. The cubic root of 57770061 is about 386.5754546877.

The spelling of 57770061 in words is "fifty-seven million, seven hundred seventy thousand, sixty-one".