61224227554 has 64 divisors (see below), whose sum is σ = 111754690560. Its totient is φ = 24572782080.

The previous prime is 61224227543. The next prime is 61224227599. The reversal of 61224227554 is 45572242216.

61224227554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8277682 + ... + 8285074.

It is an arithmetic number, because the mean of its divisors is an integer number (1746167040).

Almost surely, 2^61224227554 is an apocalyptic number.

61224227554 is a deficient number, since it is larger than the sum of its proper divisors (50530463006).

61224227554 is a wasteful number, since it uses less digits than its factorization.

61224227554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7775.

The product of its digits is 268800, while the sum is 40.

The spelling of 61224227554 in words is "sixty-one billion, two hundred twenty-four million, two hundred twenty-seven thousand, five hundred fifty-four".