5457780 has 72 divisors (see below), whose sum is σ = 17183712. Its totient is φ = 1454112.

The previous prime is 5457773. The next prime is 5457811. The reversal of 5457780 is 877545.

5457780 is a `hidden beast` number, since 5 + 4 + 577 + 80 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4299 + ... + 5421.

Almost surely, 2^5457780 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 5457780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8591856).

5457780 is an abundant number, since it is smaller than the sum of its proper divisors (11725932).

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

5457780 is a wasteful number, since it uses less digits than its factorization.

5457780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147 (or 1133 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 5457780 is about 2336.1892046664. The cubic root of 5457780 is about 176.0645854564.

The spelling of 5457780 in words is "five million, four hundred fifty-seven thousand, seven hundred eighty".