53771844 has 48 divisors (see below), whose sum is σ = 146736128. Its totient is φ = 15005088.

The previous prime is 53771831. The next prime is 53771849. The reversal of 53771844 is 44817735.

53771844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×53771844² = 5782822414320672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53771849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3832 + ... + 11055.

Almost surely, 2^53771844 is an apocalyptic number.

It is an amenable number.

53771844 is an abundant number, since it is smaller than the sum of its proper divisors (92964284).

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

53771844 is a wasteful number, since it uses less digits than its factorization.

53771844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14944 (or 14942 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

The square root of 53771844 is about 7332.9287464150. The cubic root of 53771844 is about 377.4432328423.

It can be divided in two parts, 53771 and 844, that added together give a triangular number (54615 = T₃₃₀).

The spelling of 53771844 in words is "fifty-three million, seven hundred seventy-one thousand, eight hundred forty-four".