55146353 has 4 divisors (see below), whose sum is σ = 56491428. Its totient is φ = 53801280.

The previous prime is 55146347. The next prime is 55146361. The reversal of 55146353 is 35364155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35364155 = 5 ⋅7072831.

It can be written as a sum of positive squares in 2 ways, for example, as 18809569 + 36336784 = 4337^2 + 6028^2 .

It is a cyclic number.

It is not a de Polignac number, because 55146353 - 2⁴ = 55146337 is a prime.

It is a super-3 number, since 3×55146353³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55146383) 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, 672476 + ... + 672557.

It is an arithmetic number, because the mean of its divisors is an integer number (14122857).

Almost surely, 2^55146353 is an apocalyptic number.

It is an amenable number.

55146353 is a deficient number, since it is larger than the sum of its proper divisors (1345075).

55146353 is a wasteful number, since it uses less digits than its factorization.

55146353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345074.

The product of its digits is 27000, while the sum is 32.

The square root of 55146353 is about 7426.0590490515. The cubic root of 55146353 is about 380.6322645950.

The spelling of 55146353 in words is "fifty-five million, one hundred forty-six thousand, three hundred fifty-three".