53215053 has 8 divisors (see below), whose sum is σ = 71642688. Its totient is φ = 35132064.

The previous prime is 53215039. The next prime is 53215061. The reversal of 53215053 is 35051235.

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

It is not a de Polignac number, because 53215053 - 2⁶ = 53214989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53215033) 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, 85800 + ... + 86417.

It is an arithmetic number, because the mean of its divisors is an integer number (8955336).

Almost surely, 2^53215053 is an apocalyptic number.

It is an amenable number.

53215053 is a deficient number, since it is larger than the sum of its proper divisors (18427635).

53215053 is a wasteful number, since it uses less digits than its factorization.

53215053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172323.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 53215053 is about 7294.8648376786. The cubic root of 53215053 is about 376.1359404526.

Adding to 53215053 its reverse (35051235), we get a palindrome (88266288).

The spelling of 53215053 in words is "fifty-three million, two hundred fifteen thousand, fifty-three".