53849880 has 256 divisors, whose sum is σ = 217728000. Its totient is φ = 11556864.

The previous prime is 53849869. The next prime is 53849891. The reversal of 53849880 is 8894835.

It is an interprime number because it is at equal distance from previous prime (53849869) and next prime (53849891).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 128311 + ... + 128729.

It is an arithmetic number, because the mean of its divisors is an integer number (850500).

Almost surely, 2^53849880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53849880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108864000).

53849880 is an abundant number, since it is smaller than the sum of its proper divisors (163878120).

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

53849880 is a wasteful number, since it uses less digits than its factorization.

53849880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 53849880 is about 7338.2477472487. The cubic root of 53849880 is about 377.6257318419.

The spelling of 53849880 in words is "fifty-three million, eight hundred forty-nine thousand, eight hundred eighty".