53478458 has 8 divisors (see below), whose sum is σ = 87510240. Its totient is φ = 24308380.

The previous prime is 53478449. The next prime is 53478461. The reversal of 53478458 is 85487435.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1215398 + ... + 1215441.

It is an arithmetic number, because the mean of its divisors is an integer number (10938780).

Almost surely, 2^53478458 is an apocalyptic number.

53478458 is a deficient number, since it is larger than the sum of its proper divisors (34031782).

53478458 is a wasteful number, since it uses less digits than its factorization.

53478458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2430852.

The product of its digits is 537600, while the sum is 44.

The square root of 53478458 is about 7312.8966900948. The cubic root of 53478458 is about 376.7555211929.

The spelling of 53478458 in words is "fifty-three million, four hundred seventy-eight thousand, four hundred fifty-eight".