55066614540 has 144 divisors (see below), whose sum is σ = 189910580832. Its totient is φ = 11846252544.

The previous prime is 55066614527. The next prime is 55066614541. The reversal of 55066614540 is 4541666055.

55066614540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 55066614492 and 55066614501.

It is not an unprimeable number, because it can be changed into a prime (55066614541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 500907 + ... + 600866.

It is an arithmetic number, because the mean of its divisors is an integer number (1318823478).

Almost surely, 2^55066614540 is an apocalyptic number.

It is an amenable number.

55066614540 is an abundant number, since it is smaller than the sum of its proper divisors (134843966292).

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

55066614540 is a wasteful number, since it uses less digits than its factorization.

55066614540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101816 (or 1101807 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 55066614540 in words is "fifty-five billion, sixty-six million, six hundred fourteen thousand, five hundred forty".