53901999 has 24 divisors (see below), whose sum is σ = 79252992. Its totient is φ = 35298000.

The previous prime is 53901989. The next prime is 53902033. The reversal of 53901999 is 99910935.

It is not a de Polignac number, because 53901999 - 2⁹ = 53901487 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53901929) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 214624 + ... + 214874.

It is an arithmetic number, because the mean of its divisors is an integer number (3302208).

Almost surely, 2^53901999 is an apocalyptic number.

53901999 is a deficient number, since it is larger than the sum of its proper divisors (25350993).

53901999 is a wasteful number, since it uses less digits than its factorization.

53901999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 98415, while the sum is 45.

The square root of 53901999 is about 7341.7980767657. The cubic root of 53901999 is about 377.7475218336.

The spelling of 53901999 in words is "fifty-three million, nine hundred one thousand, nine hundred ninety-nine".