53278030 has 16 divisors (see below), whose sum is σ = 103277664. Its totient is φ = 19671840.

The previous prime is 53278021. The next prime is 53278037. The reversal of 53278030 is 3087235.

It is a super-3 number, since 3×53278030³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53278030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53278037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204786 + ... + 205045.

It is an arithmetic number, because the mean of its divisors is an integer number (6454854).

Almost surely, 2^53278030 is an apocalyptic number.

53278030 is a deficient number, since it is larger than the sum of its proper divisors (49999634).

53278030 is a wasteful number, since it uses less digits than its factorization.

53278030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409851.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 53278030 is about 7299.1800909417. The cubic root of 53278030 is about 376.2842604829.

The spelling of 53278030 in words is "fifty-three million, two hundred seventy-eight thousand, thirty".