53774244 has 18 divisors (see below), whose sum is σ = 135929430. Its totient is φ = 17924736.

The previous prime is 53774219. The next prime is 53774261. The reversal of 53774244 is 44247735.

It can be written as a sum of positive squares in only one way, i.e., 53582400 + 191844 = 7320^2 + 438^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1493729 = 53774244 / (5 + 3 + 7 + 7 + 4 + 2 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 53774199 and 53774208.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 746829 + ... + 746900.

It is an arithmetic number, because the mean of its divisors is an integer number (7551635).

Almost surely, 2^53774244 is an apocalyptic number.

It is an amenable number.

53774244 is an abundant number, since it is smaller than the sum of its proper divisors (82155186).

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

53774244 is a wasteful number, since it uses less digits than its factorization.

53774244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493739 (or 1493734 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 53774244 is about 7333.0923899812. The cubic root of 53774244 is about 377.4488482364.

The spelling of 53774244 in words is "fifty-three million, seven hundred seventy-four thousand, two hundred forty-four".