57780108 has 48 divisors (see below), whose sum is σ = 153000960. Its totient is φ = 18848592.

The previous prime is 57780101. The next prime is 57780119. The reversal of 57780108 is 80108775.

57780108 is a `hidden beast` number, since 577 + 80 + 1 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (57780101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 616 + ... + 10767.

It is an arithmetic number, because the mean of its divisors is an integer number (3187520).

Almost surely, 2^57780108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57780108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76500480).

57780108 is an abundant number, since it is smaller than the sum of its proper divisors (95220852).

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

57780108 is a wasteful number, since it uses less digits than its factorization.

57780108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11443 (or 11435 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 36.

The square root of 57780108 is about 7601.3227796220. The cubic root of 57780108 is about 386.5978636333.

The spelling of 57780108 in words is "fifty-seven million, seven hundred eighty thousand, one hundred eight".