53961888 has 24 divisors (see below), whose sum is σ = 141650208. Its totient is φ = 17987264.

The previous prime is 53961883. The next prime is 53961889. The reversal of 53961888 is 88816935.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (53961883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280956 + ... + 281147.

It is an arithmetic number, because the mean of its divisors is an integer number (5902092).

Almost surely, 2^53961888 is an apocalyptic number.

It is an amenable number.

53961888 is an abundant number, since it is smaller than the sum of its proper divisors (87688320).

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

53961888 is a wasteful number, since it uses less digits than its factorization.

53961888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562116 (or 562108 counting only the distinct ones).

The product of its digits is 414720, while the sum is 48.

The square root of 53961888 is about 7345.8755774924. The cubic root of 53961888 is about 377.8873716126.

The spelling of 53961888 in words is "fifty-three million, nine hundred sixty-one thousand, eight hundred eighty-eight".