53101998 has 24 divisors (see below), whose sum is σ = 121110600. Its totient is φ = 16768944.

The previous prime is 53101981. The next prime is 53102003. The reversal of 53101998 is 89910135.

It is a happy number.

53101998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77293 + ... + 77976.

It is an arithmetic number, because the mean of its divisors is an integer number (5046275).

Almost surely, 2^53101998 is an apocalyptic number.

53101998 is an abundant number, since it is smaller than the sum of its proper divisors (68008602).

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

53101998 is a wasteful number, since it uses less digits than its factorization.

53101998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155296 (or 155293 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 53101998 is about 7287.1117735355. Note that the first 3 decimals coincide. The cubic root of 53101998 is about 375.8693855591.

The spelling of 53101998 in words is "fifty-three million, one hundred one thousand, nine hundred ninety-eight".