53881519838 has 4 divisors (see below), whose sum is σ = 80822279760. Its totient is φ = 26940759918.

The previous prime is 53881519831. The next prime is 53881519877. The reversal of 53881519838 is 83891518835.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53881519831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13470379958 + ... + 13470379961.

It is an arithmetic number, because the mean of its divisors is an integer number (20205569940).

Almost surely, 2^53881519838 is an apocalyptic number.

53881519838 is a deficient number, since it is larger than the sum of its proper divisors (26940759922).

53881519838 is a wasteful number, since it uses less digits than its factorization.

53881519838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26940759921.

The product of its digits is 8294400, while the sum is 59.

The spelling of 53881519838 in words is "fifty-three billion, eight hundred eighty-one million, five hundred nineteen thousand, eight hundred thirty-eight".