61358548050 has 54 divisors (see below), whose sum is σ = 164864084463. Its totient is φ = 16360878240.

The previous prime is 61358548037. The next prime is 61358548051. The reversal of 61358548050 is 5084585316.

61358548050 is a `hidden beast` number, since 6 + 1 + 3 + 58 + 548 + 0 + 50 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 45513528921 + 15845019129 = 213339^2 + 125877^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=175155.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 61358547987 and 61358548005.

It is not an unprimeable number, because it can be changed into a prime (61358548051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5248812 + ... + 5260488.

Almost surely, 2^61358548050 is an apocalyptic number.

61358548050 is an abundant number, since it is smaller than the sum of its proper divisors (103505536413).

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

61358548050 is an equidigital number, since it uses as much as digits as its factorization.

61358548050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23372 (or 11687 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The spelling of 61358548050 in words is "sixty-one billion, three hundred fifty-eight million, five hundred forty-eight thousand, fifty".