53156343 has 8 divisors (see below), whose sum is σ = 71563648. Its totient is φ = 35093304.

The previous prime is 53156339. The next prime is 53156347. The reversal of 53156343 is 34365135.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53156339) and next prime (53156347).

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

It is not a de Polignac number, because 53156343 - 2² = 53156339 is a prime.

It is a super-2 number, since 2×53156343² = 5651193602267298, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53156343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53156347) 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, 85705 + ... + 86322.

It is an arithmetic number, because the mean of its divisors is an integer number (8945456).

Almost surely, 2^53156343 is an apocalyptic number.

53156343 is a deficient number, since it is larger than the sum of its proper divisors (18407305).

53156343 is a wasteful number, since it uses less digits than its factorization.

53156343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172133.

The product of its digits is 16200, while the sum is 30.

The square root of 53156343 is about 7290.8396635779. The cubic root of 53156343 is about 375.9975643987.

The spelling of 53156343 in words is "fifty-three million, one hundred fifty-six thousand, three hundred forty-three".