53219406 has 8 divisors (see below), whose sum is σ = 106438824. Its totient is φ = 17739800.

The previous prime is 53219381. The next prime is 53219407. The reversal of 53219406 is 60491235.

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

53219406 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53219407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4434945 + ... + 4434956.

It is an arithmetic number, because the mean of its divisors is an integer number (13304853).

Almost surely, 2^53219406 is an apocalyptic number.

53219406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53219406 is a wasteful number, since it uses less digits than its factorization.

53219406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8869906.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 53219406 is about 7295.1631921431. The cubic root of 53219406 is about 376.1461961667.

The spelling of 53219406 in words is "fifty-three million, two hundred nineteen thousand, four hundred six".