57776406 has 8 divisors (see below), whose sum is σ = 115552824. Its totient is φ = 19258800.

The previous prime is 57776393. The next prime is 57776419. The reversal of 57776406 is 60467775.

57776406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (57776393) and next prime (57776419).

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

57776406 is an admirable number.

It is a super-2 number, since 2×57776406² = 6676226180553672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4814695 + ... + 4814706.

It is an arithmetic number, because the mean of its divisors is an integer number (14444103).

Almost surely, 2^57776406 is an apocalyptic number.

57776406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57776406 is a wasteful number, since it uses less digits than its factorization.

57776406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9629406.

The product of its (nonzero) digits is 246960, while the sum is 42.

The square root of 57776406 is about 7601.0792654728. The cubic root of 57776406 is about 386.5896069517.

The spelling of 57776406 in words is "fifty-seven million, seven hundred seventy-six thousand, four hundred six".