55242353 has 4 divisors (see below), whose sum is σ = 55639920. Its totient is φ = 54844788.

The previous prime is 55242347. The next prime is 55242359. The reversal of 55242353 is 35324255.

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: 35324255 = 5 ⋅7064851.

It is an interprime number because it is at equal distance from previous prime (55242347) and next prime (55242359).

It is a cyclic number.

It is not a de Polignac number, because 55242353 - 2⁴ = 55242337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55242359) 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, 198575 + ... + 198852.

It is an arithmetic number, because the mean of its divisors is an integer number (13909980).

Almost surely, 2^55242353 is an apocalyptic number.

It is an amenable number.

55242353 is a deficient number, since it is larger than the sum of its proper divisors (397567).

55242353 is a wasteful number, since it uses less digits than its factorization.

55242353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397566.

The product of its digits is 18000, while the sum is 29.

The square root of 55242353 is about 7432.5199629735. The cubic root of 55242353 is about 380.8530075953.

The spelling of 55242353 in words is "fifty-five million, two hundred forty-two thousand, three hundred fifty-three".