57774000 has 80 divisors (see below), whose sum is σ = 186282720. Its totient is φ = 15404800.

The previous prime is 57773941. The next prime is 57774001. The reversal of 57774000 is 47775.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (57774001) 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, 1186 + ... + 10814.

It is an arithmetic number, because the mean of its divisors is an integer number (2328534).

Almost surely, 2^57774000 is an apocalyptic number.

57774000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57774000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93141360).

57774000 is an abundant number, since it is smaller than the sum of its proper divisors (128508720).

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

57774000 is a wasteful number, since it uses less digits than its factorization.

57774000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9655 (or 9639 counting only the distinct ones).

The product of its (nonzero) digits is 6860, while the sum is 30.

The square root of 57774000 is about 7600.9209968266. The cubic root of 57774000 is about 386.5842405887.

The spelling of 57774000 in words is "fifty-seven million, seven hundred seventy-four thousand".