53279490 has 32 divisors (see below), whose sum is σ = 139496256. Its totient is φ = 12916160.

The previous prime is 53279489. The next prime is 53279497. The reversal of 53279490 is 9497235.

53279490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (53279497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80397 + ... + 81056.

It is an arithmetic number, because the mean of its divisors is an integer number (4359258).

Almost surely, 2^53279490 is an apocalyptic number.

53279490 is an abundant number, since it is smaller than the sum of its proper divisors (86216766).

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

53279490 is a wasteful number, since it uses less digits than its factorization.

53279490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161474.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 53279490 is about 7299.2801014895. The cubic root of 53279490 is about 376.2876976095.

The spelling of 53279490 in words is "fifty-three million, two hundred seventy-nine thousand, four hundred ninety".