57430620 has 192 divisors, whose sum is σ = 196721280. Its totient is φ = 13996800.

The previous prime is 57430603. The next prime is 57430649. The reversal of 57430620 is 2603475.

It is a happy number.

57430620 is a `hidden beast` number, since 5 + 7 + 4 + 30 + 620 = 666.

57430620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×57430620² = 6596552227168800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 63 ways as a sum of consecutive naturals, for example, 568570 + ... + 568670.

It is an arithmetic number, because the mean of its divisors is an integer number (1024590).

Almost surely, 2^57430620 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 57430620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98360640).

57430620 is an abundant number, since it is smaller than the sum of its proper divisors (139290660).

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

57430620 is a wasteful number, since it uses less digits than its factorization.

57430620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 57430620 is about 7578.2992815011. The cubic root of 57430620 is about 385.8168298785.

The spelling of 57430620 in words is "fifty-seven million, four hundred thirty thousand, six hundred twenty".