53438558 has 8 divisors (see below), whose sum is σ = 80893560. Its totient is φ = 26474040.

The previous prime is 53438557. The next prime is 53438573. The reversal of 53438558 is 85583435.

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

It is a super-2 number, since 2×53438558² = 5711358962238728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53438557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122348 + ... + 122783.

It is an arithmetic number, because the mean of its divisors is an integer number (10111695).

Almost surely, 2^53438558 is an apocalyptic number.

53438558 is a deficient number, since it is larger than the sum of its proper divisors (27455002).

53438558 is a wasteful number, since it uses less digits than its factorization.

53438558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245242.

The product of its digits is 288000, while the sum is 41.

The square root of 53438558 is about 7310.1681239216. The cubic root of 53438558 is about 376.6617994342.

The spelling of 53438558 in words is "fifty-three million, four hundred thirty-eight thousand, five hundred fifty-eight".