61628550054 has 8 divisors (see below), whose sum is σ = 123257100120. Its totient is φ = 20542850016.

The previous prime is 61628550041. The next prime is 61628550073. The reversal of 61628550054 is 45005582616.

61628550054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

61628550054 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 61628549988 and 61628550015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5135712499 + ... + 5135712510.

It is an arithmetic number, because the mean of its divisors is an integer number (15407137515).

Almost surely, 2^61628550054 is an apocalyptic number.

61628550054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61628550054 is a wasteful number, since it uses less digits than its factorization.

61628550054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10271425014.

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 61628550054 in words is "sixty-one billion, six hundred twenty-eight million, five hundred fifty thousand, fifty-four".