53774730 has 24 divisors (see below), whose sum is σ = 139814532. Its totient is φ = 14339904.

The previous prime is 53774717. The next prime is 53774741. The reversal of 53774730 is 3747735.

It can be written as a sum of positive squares in 2 ways, for example, as 51022449 + 2752281 = 7143^2 + 1659^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 298659 + ... + 298838.

Almost surely, 2^53774730 is an apocalyptic number.

53774730 is an abundant number, since it is smaller than the sum of its proper divisors (86039802).

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

53774730 is a wasteful number, since it uses less digits than its factorization.

53774730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597510 (or 597507 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 36.

The square root of 53774730 is about 7333.1255273587. The cubic root of 53774730 is about 377.4499853333.

The spelling of 53774730 in words is "fifty-three million, seven hundred seventy-four thousand, seven hundred thirty".