53351998 has 16 divisors (see below), whose sum is σ = 91555200. Its totient is φ = 22841496.

The previous prime is 53351993. The next prime is 53351999. The reversal of 53351998 is 89915335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53351993) 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, 22665 + ... + 24907.

It is an arithmetic number, because the mean of its divisors is an integer number (5722200).

Almost surely, 2^53351998 is an apocalyptic number.

53351998 is a deficient number, since it is larger than the sum of its proper divisors (38203202).

53351998 is a wasteful number, since it uses less digits than its factorization.

53351998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3951.

The product of its digits is 145800, while the sum is 43.

The square root of 53351998 is about 7304.2452039893. The cubic root of 53351998 is about 376.4583167406.

The spelling of 53351998 in words is "fifty-three million, three hundred fifty-one thousand, nine hundred ninety-eight".