53400558 has 8 divisors (see below), whose sum is σ = 106801128. Its totient is φ = 17800184.

The previous prime is 53400547. The next prime is 53400563. The reversal of 53400558 is 85500435.

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

53400558 is an admirable number.

It is a super-3 number, since 3×53400558³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4450041 + ... + 4450052.

It is an arithmetic number, because the mean of its divisors is an integer number (13350141).

Almost surely, 2^53400558 is an apocalyptic number.

53400558 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53400558 is a wasteful number, since it uses less digits than its factorization.

53400558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8900098.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 53400558 is about 7307.5685422718. The cubic root of 53400558 is about 376.5724972341.

The spelling of 53400558 in words is "fifty-three million, four hundred thousand, five hundred fifty-eight".