53954442 has 48 divisors (see below), whose sum is σ = 123931080. Its totient is φ = 16934400.

The previous prime is 53954441. The next prime is 53954443. The reversal of 53954442 is 24445935.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53954441) and next prime (53954443).

It can be written as a sum of positive squares in 4 ways, for example, as 13771521 + 40182921 = 3711^2 + 6339^2 .

It is a super-2 number, since 2×53954442² = 5822163623062728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53954397 and 53954406.

It is not an unprimeable number, because it can be changed into a prime (53954441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20142 + ... + 22662.

Almost surely, 2^53954442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53954442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61965540).

53954442 is an abundant number, since it is smaller than the sum of its proper divisors (69976638).

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

53954442 is a wasteful number, since it uses less digits than its factorization.

53954442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2599 (or 2596 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 53954442 is about 7345.3687449984. The cubic root of 53954442 is about 377.8699897226.

The spelling of 53954442 in words is "fifty-three million, nine hundred fifty-four thousand, four hundred forty-two".