55450140436237 has 8 divisors (see below), whose sum is σ = 55502368899480. Its totient is φ = 55397934096960.

The previous prime is 55450140436219. The next prime is 55450140436261. The reversal of 55450140436237 is 73263404105455.

It can be written as a sum of positive squares in 4 ways, for example, as 8060767044201 + 47389373392036 = 2839149^2 + 6883994^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55450140436237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55450140436277) 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, 513814 + ... + 10543447.

It is an arithmetic number, because the mean of its divisors is an integer number (6937796112435).

Almost surely, 2^{55450140436237} is an apocalyptic number.

It is an amenable number.

55450140436237 is a deficient number, since it is larger than the sum of its proper divisors (52228463243).

55450140436237 is a wasteful number, since it uses less digits than its factorization.

55450140436237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11061983.

The product of its (nonzero) digits is 6048000, while the sum is 49.

The spelling of 55450140436237 in words is "fifty-five trillion, four hundred fifty billion, one hundred forty million, four hundred thirty-six thousand, two hundred thirty-seven".