55542305315630 has 64 divisors (see below), whose sum is σ = 119233213636608. Its totient is φ = 18214047139200.

The previous prime is 55542305315621. The next prime is 55542305315639. The reversal of 55542305315630 is 3651350324555.

It is an interprime number because it is at equal distance from previous prime (55542305315621) and next prime (55542305315639).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55542305315639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26660780 + ... + 28668480.

It is an arithmetic number, because the mean of its divisors is an integer number (1863018963072).

Almost surely, 2^{55542305315630} is an apocalyptic number.

55542305315630 is an abundant number, since it is smaller than the sum of its proper divisors (63690908320978).

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

55542305315630 is a wasteful number, since it uses less digits than its factorization.

55542305315630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024921.

The product of its (nonzero) digits is 4050000, while the sum is 47.

The spelling of 55542305315630 in words is "fifty-five trillion, five hundred forty-two billion, three hundred five million, three hundred fifteen thousand, six hundred thirty".