53180421 has 8 divisors (see below), whose sum is σ = 81036864. Its totient is φ = 30388800.

The previous prime is 53180419. The next prime is 53180467. The reversal of 53180421 is 12408135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53180421 - 2¹ = 53180419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53180391 and 53180400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53130421) 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, 1266180 + ... + 1266221.

It is an arithmetic number, because the mean of its divisors is an integer number (10129608).

Almost surely, 2^53180421 is an apocalyptic number.

It is an amenable number.

53180421 is a deficient number, since it is larger than the sum of its proper divisors (27856443).

53180421 is a wasteful number, since it uses less digits than its factorization.

53180421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532411.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 53180421 is about 7292.4907267682. The cubic root of 53180421 is about 376.0543271621.

Adding to 53180421 its reverse (12408135), we get a palindrome (65588556).

The spelling of 53180421 in words is "fifty-three million, one hundred eighty thousand, four hundred twenty-one".