55345517373 has 16 divisors (see below), whose sum is σ = 82247209920. Its totient is φ = 32898882816.

The previous prime is 55345517369. The next prime is 55345517419. The reversal of 55345517373 is 37371554355.

It is not a de Polignac number, because 55345517373 - 2² = 55345517369 is a prime.

It is a super-2 number, since 2×55345517373² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55345517303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28557090 + ... + 28559027.

It is an arithmetic number, because the mean of its divisors is an integer number (5140450620).

Almost surely, 2^55345517373 is an apocalyptic number.

It is an amenable number.

55345517373 is a deficient number, since it is larger than the sum of its proper divisors (26901692547).

55345517373 is a wasteful number, since it uses less digits than its factorization.

55345517373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57116156.

The product of its digits is 3307500, while the sum is 48.

The spelling of 55345517373 in words is "fifty-five billion, three hundred forty-five million, five hundred seventeen thousand, three hundred seventy-three".