53402153021 has 8 divisors (see below), whose sum is σ = 62680519680. Its totient is φ = 44536158288.

The previous prime is 53402152963. The next prime is 53402153083. The reversal of 53402153021 is 12035120435.

It is a happy number.

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 53402153021 - 2¹⁴ = 53402136637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53402153621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103092701 + ... + 103093218.

It is an arithmetic number, because the mean of its divisors is an integer number (7835064960).

Almost surely, 2^53402153021 is an apocalyptic number.

It is an amenable number.

53402153021 is a deficient number, since it is larger than the sum of its proper divisors (9278366659).

53402153021 is a wasteful number, since it uses less digits than its factorization.

53402153021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206185963.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 53402153021 its reverse (12035120435), we get a palindrome (65437273456).

The spelling of 53402153021 in words is "fifty-three billion, four hundred two million, one hundred fifty-three thousand, twenty-one".