53451043 has 4 divisors (see below), whose sum is σ = 56595240. Its totient is φ = 50306848.

The previous prime is 53451029. The next prime is 53451053. The reversal of 53451043 is 34015435.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53451043 - 2¹⁷ = 53319971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53450999 and 53451017.

It is not an unprimeable number, because it can be changed into a prime (53451023) 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, 1572073 + ... + 1572106.

It is an arithmetic number, because the mean of its divisors is an integer number (14148810).

Almost surely, 2^53451043 is an apocalyptic number.

53451043 is a deficient number, since it is larger than the sum of its proper divisors (3144197).

53451043 is a wasteful number, since it uses less digits than its factorization.

53451043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144196.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 53451043 is about 7311.0220215781. The cubic root of 53451043 is about 376.6911306671.

Adding to 53451043 its reverse (34015435), we get a palindrome (87466478).

The spelling of 53451043 in words is "fifty-three million, four hundred fifty-one thousand, forty-three".