53526744 has 160 divisors (see below), whose sum is σ = 163872720. Its totient is φ = 16257024.

The previous prime is 53526709. The next prime is 53526751. The reversal of 53526744 is 44762535.

It is a super-2 number, since 2×53526744² = 5730224646483072, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 53526699 and 53526708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 473632 + ... + 473744.

Almost surely, 2^53526744 is an apocalyptic number.

53526744 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 53526744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81936360).

53526744 is an abundant number, since it is smaller than the sum of its proper divisors (110345976).

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

53526744 is a wasteful number, since it uses less digits than its factorization.

53526744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 178 counting only the distinct ones).

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

The square root of 53526744 is about 7316.1973729527. The cubic root of 53526744 is about 376.8688786412.

The spelling of 53526744 in words is "fifty-three million, five hundred twenty-six thousand, seven hundred forty-four".