55066442615502 has 16 divisors (see below), whose sum is σ = 110176885614720. Its totient is φ = 18348147474552.

The previous prime is 55066442615497. The next prime is 55066442615533. The reversal of 55066442615502 is 20551624466055.

It is a super-2 number, since 2×55066442615502² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1833333052 + ... + 1833363087.

It is an arithmetic number, because the mean of its divisors is an integer number (6886055350920).

Almost surely, 2^{55066442615502} is an apocalyptic number.

55066442615502 is an abundant number, since it is smaller than the sum of its proper divisors (55110442999218).

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

55066442615502 is a wasteful number, since it uses less digits than its factorization.

55066442615502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3666698647.

The product of its (nonzero) digits is 8640000, while the sum is 51.

The spelling of 55066442615502 in words is "fifty-five trillion, sixty-six billion, four hundred forty-two million, six hundred fifteen thousand, five hundred two".