53477028 has 36 divisors (see below), whose sum is σ = 147468048. Its totient is φ = 16205040.

The previous prime is 53477027. The next prime is 53477041. The reversal of 53477028 is 82077435.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 53476983 and 53477001.

It is not an unprimeable number, because it can be changed into a prime (53477027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67126 + ... + 67917.

Almost surely, 2^53477028 is an apocalyptic number.

It is an amenable number.

53477028 is an abundant number, since it is smaller than the sum of its proper divisors (93991020).

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

53477028 is a wasteful number, since it uses less digits than its factorization.

53477028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135064 (or 135059 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 53477028 is about 7312.7989169674. The cubic root of 53477028 is about 376.7521630482.

The spelling of 53477028 in words is "fifty-three million, four hundred seventy-seven thousand, twenty-eight".