53001998 has 8 divisors (see below), whose sum is σ = 90860592. Its totient is φ = 22715136.

The previous prime is 53001989. The next prime is 53002009. The reversal of 53001998 is 89910035.

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

It is a congruent 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, 1892915 + ... + 1892942.

It is an arithmetic number, because the mean of its divisors is an integer number (11357574).

Almost surely, 2^53001998 is an apocalyptic number.

53001998 is a deficient number, since it is larger than the sum of its proper divisors (37858594).

53001998 is a wasteful number, since it uses less digits than its factorization.

53001998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785866.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 53001998 is about 7280.2471111907. The cubic root of 53001998 is about 375.6332955256.

It can be divided in two parts, 5 and 3001998, that added together give a palindrome (3002003).

The spelling of 53001998 in words is "fifty-three million, one thousand, nine hundred ninety-eight".