53215294 has 16 divisors (see below), whose sum is σ = 89204976. Its totient is φ = 23598400.

The previous prime is 53215291. The next prime is 53215297. The reversal of 53215294 is 49251235.

It is an interprime number because it is at equal distance from previous prime (53215291) and next prime (53215297).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53215291) 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, 28597 + ... + 30400.

It is an arithmetic number, because the mean of its divisors is an integer number (5575311).

Almost surely, 2^53215294 is an apocalyptic number.

53215294 is a deficient number, since it is larger than the sum of its proper divisors (35989682).

53215294 is a wasteful number, since it uses less digits than its factorization.

53215294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59051.

The product of its digits is 10800, while the sum is 31.

The square root of 53215294 is about 7294.8813561291. The cubic root of 53215294 is about 376.1365082657.

The spelling of 53215294 in words is "fifty-three million, two hundred fifteen thousand, two hundred ninety-four".