57478069 has 8 divisors (see below), whose sum is σ = 63408960. Its totient is φ = 51664800.

The previous prime is 57478051. The next prime is 57478079. The reversal of 57478069 is 96087475.

It is a happy number.

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

It is not a de Polignac number, because 57478069 - 2¹⁹ = 56953781 is a prime.

It is a super-2 number, since 2×57478069² = 6607456831937522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57478009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28377 + ... + 30334.

It is an arithmetic number, because the mean of its divisors is an integer number (7926120).

Almost surely, 2^57478069 is an apocalyptic number.

It is an amenable number.

57478069 is a deficient number, since it is larger than the sum of its proper divisors (5930891).

57478069 is a wasteful number, since it uses less digits than its factorization.

57478069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58811.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 57478069 is about 7581.4292188215. The cubic root of 57478069 is about 385.9230541856.

The spelling of 57478069 in words is "fifty-seven million, four hundred seventy-eight thousand, sixty-nine".