55562373557 has 4 divisors (see below), whose sum is σ = 55568254560. Its totient is φ = 55556492556.

The previous prime is 55562373553. The next prime is 55562373571. The reversal of 55562373557 is 75537326555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75537326555 = 5 ⋅15107465311.

It is a cyclic number.

It is not a de Polignac number, because 55562373557 - 2² = 55562373553 is a prime.

It is a super-2 number, since 2×55562373557² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55562373499 and 55562373508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55562373553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2926307 + ... + 2945232.

It is an arithmetic number, because the mean of its divisors is an integer number (13892063640).

Almost surely, 2^55562373557 is an apocalyptic number.

It is an amenable number.

55562373557 is a deficient number, since it is larger than the sum of its proper divisors (5881003).

55562373557 is an equidigital number, since it uses as much as digits as its factorization.

55562373557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5881002.

The product of its digits is 16537500, while the sum is 53.

The spelling of 55562373557 in words is "fifty-five billion, five hundred sixty-two million, three hundred seventy-three thousand, five hundred fifty-seven".