53408994 has 8 divisors (see below), whose sum is σ = 106818000. Its totient is φ = 17802996.

The previous prime is 53408987. The next prime is 53409011. The reversal of 53408994 is 49980435.

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

53408994 is an admirable number.

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, 4450744 + ... + 4450755.

It is an arithmetic number, because the mean of its divisors is an integer number (13352250).

Almost surely, 2^53408994 is an apocalyptic number.

53408994 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.

53408994 is a wasteful number, since it uses less digits than its factorization.

53408994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8901504.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 53408994 is about 7308.1457292531. The cubic root of 53408994 is about 376.5923259801.

The spelling of 53408994 in words is "fifty-three million, four hundred eight thousand, nine hundred ninety-four".