55494266437 has 8 divisors (see below), whose sum is σ = 57287225600. Its totient is φ = 53701483680.

The previous prime is 55494266423. The next prime is 55494266441. The reversal of 55494266437 is 73466249455.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 55494266437 - 2¹¹ = 55494264389 is a prime.

It is a super-2 number, since 2×55494266437² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55494266447) 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, 954433 + ... + 1010905.

It is an arithmetic number, because the mean of its divisors is an integer number (7160903200).

Almost surely, 2^55494266437 is an apocalyptic number.

It is an amenable number.

55494266437 is a deficient number, since it is larger than the sum of its proper divisors (1792959163).

55494266437 is a wasteful number, since it uses less digits than its factorization.

55494266437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88203.

The product of its digits is 21772800, while the sum is 55.

The spelling of 55494266437 in words is "fifty-five billion, four hundred ninety-four million, two hundred sixty-six thousand, four hundred thirty-seven".