55411064156440 has 16 divisors (see below), whose sum is σ = 124674894352080. Its totient is φ = 22164425662560.

The previous prime is 55411064156233. The next prime is 55411064156507. The reversal of 55411064156440 is 4465146011455.

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, 692638301916 + ... + 692638301995.

It is an arithmetic number, because the mean of its divisors is an integer number (7792180897005).

Almost surely, 2^{55411064156440} is an apocalyptic number.

It is an amenable number.

55411064156440 is an abundant number, since it is smaller than the sum of its proper divisors (69263830195640).

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

55411064156440 is a wasteful number, since it uses less digits than its factorization.

55411064156440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385276603922 (or 1385276603918 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 46.

The spelling of 55411064156440 in words is "fifty-five trillion, four hundred eleven billion, sixty-four million, one hundred fifty-six thousand, four hundred forty".