61556050050 has 48 divisors (see below), whose sum is σ = 166537099872. Its totient is φ = 14922678400.

The previous prime is 61556050027. The next prime is 61556050051. The reversal of 61556050050 is 5005065516.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61556049993 and 61556050020.

It is not an unprimeable number, because it can be changed into a prime (61556050051) 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, 18651699 + ... + 18654998.

It is an arithmetic number, because the mean of its divisors is an integer number (3469522914).

Almost surely, 2^61556050050 is an apocalyptic number.

61556050050 is an abundant number, since it is smaller than the sum of its proper divisors (104981049822).

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

61556050050 is a wasteful number, since it uses less digits than its factorization.

61556050050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37306723 (or 37306718 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 61556050050 in words is "sixty-one billion, five hundred fifty-six million, fifty thousand, fifty".