55440662437 has 16 divisors (see below), whose sum is σ = 56222208000. Its totient is φ = 54663897600.

The previous prime is 55440662401. The next prime is 55440662443. The reversal of 55440662437 is 73426604455.

It is a cyclic number.

It is not a de Polignac number, because 55440662437 - 2⁷ = 55440662309 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 (55440662447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48166812 + ... + 48167962.

It is an arithmetic number, because the mean of its divisors is an integer number (3513888000).

Almost surely, 2^55440662437 is an apocalyptic number.

It is an amenable number.

55440662437 is a deficient number, since it is larger than the sum of its proper divisors (781545563).

55440662437 is a wasteful number, since it uses less digits than its factorization.

55440662437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2676.

The product of its (nonzero) digits is 2419200, while the sum is 46.

The spelling of 55440662437 in words is "fifty-five billion, four hundred forty million, six hundred sixty-two thousand, four hundred thirty-seven".