53544546 has 96 divisors (see below), whose sum is σ = 136730880. Its totient is φ = 14968800.

The previous prime is 53544521. The next prime is 53544571. The reversal of 53544546 is 64544535.

It is an interprime number because it is at equal distance from previous prime (53544521) and next prime (53544571).

It is a super-2 number, since 2×53544546² = 5734036812692232, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53544546.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 161601 + ... + 161931.

It is an arithmetic number, because the mean of its divisors is an integer number (1424280).

Almost surely, 2^53544546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53544546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68365440).

53544546 is an abundant number, since it is smaller than the sum of its proper divisors (83186334).

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

53544546 is a wasteful number, since it uses less digits than its factorization.

53544546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 409 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 53544546 is about 7317.4138874332. The cubic root of 53544546 is about 376.9106538714.

The spelling of 53544546 in words is "fifty-three million, five hundred forty-four thousand, five hundred forty-six".