53491210 has 8 divisors (see below), whose sum is σ = 96284196. Its totient is φ = 21396480.

The previous prime is 53491189. The next prime is 53491219. The reversal of 53491210 is 1219435.

It can be written as a sum of positive squares in 2 ways, for example, as 44182609 + 9308601 = 6647^2 + 3051^2 .

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

It is a super-2 number, since 2×53491210² = 5722619094528200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53491219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2674551 + ... + 2674570.

Almost surely, 2^53491210 is an apocalyptic number.

53491210 is a deficient number, since it is larger than the sum of its proper divisors (42792986).

53491210 is a wasteful number, since it uses less digits than its factorization.

53491210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5349128.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 53491210 is about 7313.7685224513. The cubic root of 53491210 is about 376.7854647425.

The spelling of 53491210 in words is "fifty-three million, four hundred ninety-one thousand, two hundred ten".