53951856 has 80 divisors (see below), whose sum is σ = 160251648. Its totient is φ = 15321600.

The previous prime is 53951851. The next prime is 53951869. The reversal of 53951856 is 65815935.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53951851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70516 + ... + 71276.

Almost surely, 2^53951856 is an apocalyptic number.

53951856 is a gapful number since it is divisible by the number (56) 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 53951856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80125824).

53951856 is an abundant number, since it is smaller than the sum of its proper divisors (106299792).

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

53951856 is a wasteful number, since it uses less digits than its factorization.

53951856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990 (or 984 counting only the distinct ones).

The product of its digits is 162000, while the sum is 42.

The square root of 53951856 is about 7345.1927136053. The cubic root of 53951856 is about 377.8639526083.

The spelling of 53951856 in words is "fifty-three million, nine hundred fifty-one thousand, eight hundred fifty-six".