53900240819 has 4 divisors (see below), whose sum is σ = 54075811944. Its totient is φ = 53724669696.

The previous prime is 53900240809. The next prime is 53900240831. The reversal of 53900240819 is 91804200935.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53900240819 is a prime.

It is a super-2 number, since 2×53900240819² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53900240809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87785102 + ... + 87785715.

It is an arithmetic number, because the mean of its divisors is an integer number (13518952986).

Almost surely, 2^53900240819 is an apocalyptic number.

53900240819 is a deficient number, since it is larger than the sum of its proper divisors (175571125).

53900240819 is a wasteful number, since it uses less digits than its factorization.

53900240819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175571124.

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 53900240819 in words is "fifty-three billion, nine hundred million, two hundred forty thousand, eight hundred nineteen".