53578044 has 96 divisors (see below), whose sum is σ = 154542080. Its totient is φ = 15940800.

The previous prime is 53578027. The next prime is 53578061. The reversal of 53578044 is 44087535.

53578044 is a `hidden beast` number, since 535 + 7 + 80 + 44 = 666.

It is an interprime number because it is at equal distance from previous prime (53578027) and next prime (53578061).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42909 + ... + 44139.

Almost surely, 2^53578044 is an apocalyptic number.

53578044 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53578044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77271040).

53578044 is an abundant number, since it is smaller than the sum of its proper divisors (100964036).

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

53578044 is a wasteful number, since it uses less digits than its factorization.

53578044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288 (or 1280 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 53578044 is about 7319.7024529690. The cubic root of 53578044 is about 376.9892371695.

It can be divided in two parts, 535780 and 44, that added together give a square (535824 = 732²).

The spelling of 53578044 in words is "fifty-three million, five hundred seventy-eight thousand, forty-four".