54811582550 has 24 divisors (see below), whose sum is σ = 102406737216. Its totient is φ = 21826311840.

The previous prime is 54811582543. The next prime is 54811582571. The reversal of 54811582550 is 5528511845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2446769 + ... + 2469068.

It is an arithmetic number, because the mean of its divisors is an integer number (4266947384).

Almost surely, 2^54811582550 is an apocalyptic number.

54811582550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54811582550 is a deficient number, since it is larger than the sum of its proper divisors (47595154666).

54811582550 is a wasteful number, since it uses less digits than its factorization.

54811582550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4916072 (or 4916067 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 44.

The spelling of 54811582550 in words is "fifty-four billion, eight hundred eleven million, five hundred eighty-two thousand, five hundred fifty".