53415023021 has 8 divisors (see below), whose sum is σ = 53665676064. Its totient is φ = 53164868400.

The previous prime is 53415022993. The next prime is 53415023059. The reversal of 53415023021 is 12032051435.

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 53415023021 - 2³⁴ = 36235153837 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 (53415028021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91106 + ... + 339308.

It is an arithmetic number, because the mean of its divisors is an integer number (6708209508).

Almost surely, 2^53415023021 is an apocalyptic number.

It is an amenable number.

53415023021 is a deficient number, since it is larger than the sum of its proper divisors (250653043).

53415023021 is a wasteful number, since it uses less digits than its factorization.

53415023021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249211.

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

Adding to 53415023021 its reverse (12032051435), we get a palindrome (65447074456).

The spelling of 53415023021 in words is "fifty-three billion, four hundred fifteen million, twenty-three thousand, twenty-one".