53405070 has 16 divisors (see below), whose sum is σ = 128172240. Its totient is φ = 14241344.

The previous prime is 53405069. The next prime is 53405071. The reversal of 53405070 is 7050435.

It is an interprime number because it is at equal distance from previous prime (53405069) and next prime (53405071).

It is a self number, because there is not a number n which added to its sum of digits gives 53405070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53405071) 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, 890055 + ... + 890114.

It is an arithmetic number, because the mean of its divisors is an integer number (8010765).

Almost surely, 2^53405070 is an apocalyptic number.

53405070 is an abundant number, since it is smaller than the sum of its proper divisors (74767170).

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

53405070 is a wasteful number, since it uses less digits than its factorization.

53405070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780179.

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 53405070 is about 7307.8772567689. The cubic root of 53405070 is about 376.5831029113.

The spelling of 53405070 in words is "fifty-three million, four hundred five thousand, seventy".