53647230 has 128 divisors (see below), whose sum is σ = 162505728. Its totient is φ = 11031552.

The previous prime is 53647211. The next prime is 53647259. The reversal of 53647230 is 3274635.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 117162 + ... + 117618.

It is an arithmetic number, because the mean of its divisors is an integer number (1269576).

Almost surely, 2^53647230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53647230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81252864).

53647230 is an abundant number, since it is smaller than the sum of its proper divisors (108858498).

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

53647230 is a wasteful number, since it uses less digits than its factorization.

53647230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 53647230 is about 7324.4269400411. The cubic root of 53647230 is about 377.1514376819.

The spelling of 53647230 in words is "fifty-three million, six hundred forty-seven thousand, two hundred thirty".