53645274 has 16 divisors (see below), whose sum is σ = 119211840. Its totient is φ = 17881740.

The previous prime is 53645239. The next prime is 53645287. The reversal of 53645274 is 47254635.

53645274 is a `hidden beast` number, since 5 + 3 + 645 + 2 + 7 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496662 + ... + 496769.

It is an arithmetic number, because the mean of its divisors is an integer number (7450740).

Almost surely, 2^53645274 is an apocalyptic number.

53645274 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

53645274 is an abundant number, since it is smaller than the sum of its proper divisors (65566566).

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

53645274 is a wasteful number, since it uses less digits than its factorization.

53645274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993442 (or 993436 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 53645274 is about 7324.2934130194. The cubic root of 53645274 is about 377.1468539275.

The spelling of 53645274 in words is "fifty-three million, six hundred forty-five thousand, two hundred seventy-four".