55542553525 has 24 divisors (see below), whose sum is σ = 71142660864. Its totient is φ = 42971539200.

The previous prime is 55542553523. The next prime is 55542553531. The reversal of 55542553525 is 52535524555.

It is a happy number.

It is not a de Polignac number, because 55542553525 - 2¹ = 55542553523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55542553523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1156797 + ... + 1203853.

It is an arithmetic number, because the mean of its divisors is an integer number (2964277536).

Almost surely, 2^55542553525 is an apocalyptic number.

It is an amenable number.

55542553525 is a deficient number, since it is larger than the sum of its proper divisors (15600107339).

55542553525 is a wasteful number, since it uses less digits than its factorization.

55542553525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48621 (or 48616 counting only the distinct ones).

The product of its digits is 3750000, while the sum is 46.

The spelling of 55542553525 in words is "fifty-five billion, five hundred forty-two million, five hundred fifty-three thousand, five hundred twenty-five".