53451863 has 8 divisors (see below), whose sum is σ = 54417408. Its totient is φ = 52491384.

The previous prime is 53451847. The next prime is 53451877. The reversal of 53451863 is 36815435.

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

It is a cyclic number.

It is not a de Polignac number, because 53451863 - 2⁴ = 53451847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53451833) 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, 24620 + ... + 26702.

It is an arithmetic number, because the mean of its divisors is an integer number (6802176).

Almost surely, 2^53451863 is an apocalyptic number.

53451863 is a deficient number, since it is larger than the sum of its proper divisors (965545).

53451863 is a wasteful number, since it uses less digits than its factorization.

53451863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2533.

The product of its digits is 43200, while the sum is 35.

The square root of 53451863 is about 7311.0781010737. The cubic root of 53451863 is about 376.6930569479.

The spelling of 53451863 in words is "fifty-three million, four hundred fifty-one thousand, eight hundred sixty-three".