53420706 has 24 divisors (see below), whose sum is σ = 118438320. Its totient is φ = 17392536.

The previous prime is 53420699. The next prime is 53420729. The reversal of 53420706 is 60702435.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 53420706.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33736 + ... + 35283.

It is an arithmetic number, because the mean of its divisors is an integer number (4934930).

Almost surely, 2^53420706 is an apocalyptic number.

53420706 is an abundant number, since it is smaller than the sum of its proper divisors (65017614).

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

53420706 is a wasteful number, since it uses less digits than its factorization.

53420706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69070 (or 69067 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 53420706 is about 7308.9469829791. The cubic root of 53420706 is about 376.6198514749.

The spelling of 53420706 in words is "fifty-three million, four hundred twenty thousand, seven hundred six".