53015544550 has 48 divisors (see below), whose sum is σ = 98951291712. Its totient is φ = 21132727200.

The previous prime is 53015544539. The next prime is 53015544557. The reversal of 53015544550 is 5544551035.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53015544557) 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 23 ways as a sum of consecutive naturals, for example, 34627285 + ... + 34628815.

It is an arithmetic number, because the mean of its divisors is an integer number (2061485244).

Almost surely, 2^53015544550 is an apocalyptic number.

53015544550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53015544550 is a deficient number, since it is larger than the sum of its proper divisors (45935747162).

53015544550 is a wasteful number, since it uses less digits than its factorization.

53015544550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3493 (or 3488 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 37.

The spelling of 53015544550 in words is "fifty-three billion, fifteen million, five hundred forty-four thousand, five hundred fifty".