53463280 has 40 divisors (see below), whose sum is σ = 133866432. Its totient is φ = 19739904.

The previous prime is 53463203. The next prime is 53463281. The reversal of 53463280 is 8236435.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53463281) 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, 24664 + ... + 26743.

Almost surely, 2^53463280 is an apocalyptic number.

It is an amenable number.

53463280 is an abundant number, since it is smaller than the sum of its proper divisors (80403152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53463280 is a wasteful number, since it uses less digits than its factorization.

53463280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51433 (or 51427 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 53463280 is about 7311.8588607823. The cubic root of 53463280 is about 376.7198748374.

The spelling of 53463280 in words is "fifty-three million, four hundred sixty-three thousand, two hundred eighty".