55037359493 has 4 divisors (see below), whose sum is σ = 55038038700. Its totient is φ = 55036680288.

The previous prime is 55037359477. The next prime is 55037359513. The reversal of 55037359493 is 39495373055.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22774733569 + 32262625924 = 150913^2 + 179618^2 .

It is a cyclic number.

It is not a de Polignac number, because 55037359493 - 2⁴ = 55037359477 is a prime.

It is a super-2 number, since 2×55037359493² (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 (55037359093) 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 3 ways as a sum of consecutive naturals, for example, 198518 + ... + 386631.

It is an arithmetic number, because the mean of its divisors is an integer number (13759509675).

Almost surely, 2^55037359493 is an apocalyptic number.

It is an amenable number.

55037359493 is a deficient number, since it is larger than the sum of its proper divisors (679207).

55037359493 is an equidigital number, since it uses as much as digits as its factorization.

55037359493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679206.

The product of its (nonzero) digits is 7654500, while the sum is 53.

The spelling of 55037359493 in words is "fifty-five billion, thirty-seven million, three hundred fifty-nine thousand, four hundred ninety-three".