54555561050 has 48 divisors (see below), whose sum is σ = 108126974520. Its totient is φ = 20407695360.

The previous prime is 54555561029. The next prime is 54555561107. The reversal of 54555561050 is 5016555545.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 129937201 + 54425623849 = 11399^2 + 233293^2 .

It is a junction number, because it is equal to n+sod(n) for n = 54555560989 and 54555561007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70955 + ... + 337854.

Almost surely, 2^54555561050 is an apocalyptic number.

54555561050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54555561050 is a deficient number, since it is larger than the sum of its proper divisors (53571413470).

54555561050 is a wasteful number, since it uses less digits than its factorization.

54555561050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408995 (or 408990 counting only the distinct ones).

The product of its (nonzero) digits is 375000, while the sum is 41.

The spelling of 54555561050 in words is "fifty-four billion, five hundred fifty-five million, five hundred sixty-one thousand, fifty".