57780336 has 20 divisors (see below), whose sum is σ = 149265992. Its totient is φ = 19260096.

The previous prime is 57780299. The next prime is 57780341. The reversal of 57780336 is 63308775.

It is a junction number, because it is equal to n+sod(n) for n = 57780294 and 57780303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601831 + ... + 601926.

Almost surely, 2^57780336 is an apocalyptic number.

It is an amenable number.

57780336 is an abundant number, since it is smaller than the sum of its proper divisors (91485656).

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

57780336 is a wasteful number, since it uses less digits than its factorization.

57780336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203768 (or 1203762 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 57780336 is about 7601.3377769969. The cubic root of 57780336 is about 386.5983721370.

The spelling of 57780336 in words is "fifty-seven million, seven hundred eighty thousand, three hundred thirty-six".