55646236452340 has 24 divisors (see below), whose sum is σ = 116911933381152. Its totient is φ = 22248049470240.

The previous prime is 55646236452293. The next prime is 55646236452341. The reversal of 55646236452340 is 4325463264655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55646236452341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652775734 + ... + 652860973.

It is an arithmetic number, because the mean of its divisors is an integer number (4871330557548).

Almost surely, 2^{55646236452340} is an apocalyptic number.

It is an amenable number.

55646236452340 is an abundant number, since it is smaller than the sum of its proper divisors (61265696928812).

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

55646236452340 is a wasteful number, since it uses less digits than its factorization.

55646236452340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305638847 (or 1305638845 counting only the distinct ones).

The product of its (nonzero) digits is 62208000, while the sum is 55.

The spelling of 55646236452340 in words is "fifty-five trillion, six hundred forty-six billion, two hundred thirty-six million, four hundred fifty-two thousand, three hundred forty".