53651268 has 48 divisors (see below), whose sum is σ = 151744320. Its totient is φ = 16257600.

The previous prime is 53651263. The next prime is 53651281. The reversal of 53651268 is 86215635.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (53651263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21393 + ... + 23768.

It is an arithmetic number, because the mean of its divisors is an integer number (3161340).

Almost surely, 2^53651268 is an apocalyptic number.

It is an amenable number.

53651268 is an abundant number, since it is smaller than the sum of its proper divisors (98093052).

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

53651268 is a wasteful number, since it uses less digits than its factorization.

53651268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45185 (or 45177 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 53651268 is about 7324.7025878188. The cubic root of 53651268 is about 377.1609001108.

The spelling of 53651268 in words is "fifty-three million, six hundred fifty-one thousand, two hundred sixty-eight".