57420969 has 8 divisors (see below), whose sum is σ = 76950720. Its totient is φ = 38085936.

The previous prime is 57420967. The next prime is 57420989. The reversal of 57420969 is 96902475.

57420969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57420969 - 2¹ = 57420967 is a prime.

It is a super-2 number, since 2×57420969² = 6594335361797922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57420969.

It is not an unprimeable number, because it can be changed into a prime (57420967) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 47989 + ... + 49170.

It is an arithmetic number, because the mean of its divisors is an integer number (9618840).

Almost surely, 2^57420969 is an apocalyptic number.

It is an amenable number.

57420969 is a deficient number, since it is larger than the sum of its proper divisors (19529751).

57420969 is a wasteful number, since it uses less digits than its factorization.

57420969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97359.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 57420969 is about 7577.6625023816. The cubic root of 57420969 is about 385.7952169781.

The spelling of 57420969 in words is "fifty-seven million, four hundred twenty thousand, nine hundred sixty-nine".