53675820 has 72 divisors (see below), whose sum is σ = 177624720. Its totient is φ = 13011840.

The previous prime is 53675807. The next prime is 53675821. The reversal of 53675820 is 2857635.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (53675821) 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, 11575 + ... + 15534.

It is an arithmetic number, because the mean of its divisors is an integer number (2467010).

Almost surely, 2^53675820 is an apocalyptic number.

It is an amenable number.

53675820 is an abundant number, since it is smaller than the sum of its proper divisors (123948900).

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

53675820 is a wasteful number, since it uses less digits than its factorization.

53675820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27135 (or 27130 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 53675820 is about 7326.3783686075. The cubic root of 53675820 is about 377.2184237108.

The spelling of 53675820 in words is "fifty-three million, six hundred seventy-five thousand, eight hundred twenty".