53520121142 has 4 divisors (see below), whose sum is σ = 80280181716. Its totient is φ = 26760060570.

The previous prime is 53520121121. The next prime is 53520121159. The reversal of 53520121142 is 24112102535.

53520121142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24112102535 = 5 ⋅4822420507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13380030284 + ... + 13380030287.

It is an arithmetic number, because the mean of its divisors is an integer number (20070045429).

Almost surely, 2^53520121142 is an apocalyptic number.

53520121142 is a deficient number, since it is larger than the sum of its proper divisors (26760060574).

53520121142 is a wasteful number, since it uses less digits than its factorization.

53520121142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26760060573.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 53520121142 its reverse (24112102535), we get a palindrome (77632223677).

The spelling of 53520121142 in words is "fifty-three billion, five hundred twenty million, one hundred twenty-one thousand, one hundred forty-two".