53219121 has 8 divisors (see below), whose sum is σ = 72161760. Its totient is φ = 34877952.

The previous prime is 53219119. The next prime is 53219123. The reversal of 53219121 is 12191235.

It is an interprime number because it is at equal distance from previous prime (53219119) and next prime (53219123).

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

It is not a de Polignac number, because 53219121 - 2¹ = 53219119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53219091 and 53219100.

It is not an unprimeable number, because it can be changed into a prime (53219123) 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, 150160 + ... + 150513.

It is an arithmetic number, because the mean of its divisors is an integer number (9020220).

Almost surely, 2^53219121 is an apocalyptic number.

It is an amenable number.

53219121 is a deficient number, since it is larger than the sum of its proper divisors (18942639).

53219121 is a wasteful number, since it uses less digits than its factorization.

53219121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300735.

The product of its digits is 540, while the sum is 24.

The square root of 53219121 is about 7295.1436586266. The cubic root of 53219121 is about 376.1455247207.

The spelling of 53219121 in words is "fifty-three million, two hundred nineteen thousand, one hundred twenty-one".