53420053 has 8 divisors (see below), whose sum is σ = 55939968. Its totient is φ = 50916624.

The previous prime is 53420047. The next prime is 53420057. The reversal of 53420053 is 35002435.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53420053 - 2¹⁷ = 53288981 is a prime.

It is a super-3 number, since 3×53420053³ (a number of 24 digits) contains 333 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 (53420057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2776 + ... + 10702.

It is an arithmetic number, because the mean of its divisors is an integer number (6992496).

Almost surely, 2^53420053 is an apocalyptic number.

It is an amenable number.

53420053 is a deficient number, since it is larger than the sum of its proper divisors (2519915).

53420053 is a wasteful number, since it uses less digits than its factorization.

53420053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8243.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 53420053 is about 7308.9023115650. The cubic root of 53420053 is about 376.6183169029.

Adding to 53420053 its reverse (35002435), we get a palindrome (88422488).

The spelling of 53420053 in words is "fifty-three million, four hundred twenty thousand, fifty-three".