55373814346040 has 64 divisors (see below), whose sum is σ = 133521817988160. Its totient is φ = 20613894681600.

The previous prime is 55373814345979. The next prime is 55373814346051. The reversal of 55373814346040 is 4064341837355.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 813329861 + ... + 813397940.

It is an arithmetic number, because the mean of its divisors is an integer number (2086278406065).

Almost surely, 2^{55373814346040} is an apocalyptic number.

It is an amenable number.

55373814346040 is an abundant number, since it is smaller than the sum of its proper divisors (78148003642120).

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

55373814346040 is a wasteful number, since it uses less digits than its factorization.

55373814346040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626727872 (or 1626727868 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 53.

The spelling of 55373814346040 in words is "fifty-five trillion, three hundred seventy-three billion, eight hundred fourteen million, three hundred forty-six thousand, forty".