53276430 has 16 divisors (see below), whose sum is σ = 127863504. Its totient is φ = 14207040.

The previous prime is 53276429. The next prime is 53276471. The reversal of 53276430 is 3467235.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1775881 = 53276430 / (5 + 3 + 2 + 7 + 6 + 4 + 3 + 0).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887911 + ... + 887970.

It is an arithmetic number, because the mean of its divisors is an integer number (7991469).

Almost surely, 2^53276430 is an apocalyptic number.

53276430 is an abundant number, since it is smaller than the sum of its proper divisors (74587074).

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

53276430 is a wasteful number, since it uses less digits than its factorization.

53276430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775891.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 53276430 is about 7299.0704887677. The cubic root of 53276430 is about 376.2804936967.

The spelling of 53276430 in words is "fifty-three million, two hundred seventy-six thousand, four hundred thirty".