53450036550 has 36 divisors (see below), whose sum is σ = 143602432740. Its totient is φ = 14253342960.

The previous prime is 53450036501. The next prime is 53450036551. The reversal of 53450036550 is 5563005435.

53450036550 is a `hidden beast` number, since 53 + 4 + 50 + 0 + 3 + 6 + 550 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53450036551) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 59388480 + ... + 59389379.

It is an arithmetic number, because the mean of its divisors is an integer number (3988956465).

Almost surely, 2^53450036550 is an apocalyptic number.

53450036550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53450036550 is an abundant number, since it is smaller than the sum of its proper divisors (90152396190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53450036550 is a wasteful number, since it uses less digits than its factorization.

53450036550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118777877 (or 118777869 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

The spelling of 53450036550 in words is "fifty-three billion, four hundred fifty million, thirty-six thousand, five hundred fifty".