53790145 has 8 divisors (see below), whose sum is σ = 64753704. Its totient is φ = 42895104.

The previous prime is 53790131. The next prime is 53790161. The reversal of 53790145 is 54109735.

It can be written as a sum of positive squares in 4 ways, for example, as 7862416 + 45927729 = 2804^2 + 6777^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 53790145 - 2⁷ = 53790017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53790145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15384 + ... + 18553.

It is an arithmetic number, because the mean of its divisors is an integer number (8094213).

Almost surely, 2^53790145 is an apocalyptic number.

It is an amenable number.

53790145 is a deficient number, since it is larger than the sum of its proper divisors (10963559).

53790145 is a wasteful number, since it uses less digits than its factorization.

53790145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34259.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 53790145 is about 7334.1765045573. The cubic root of 53790145 is about 377.4860483419.

It can be divided in two parts, 53790 and 145, that added together give a palindrome (53935).

The spelling of 53790145 in words is "fifty-three million, seven hundred ninety thousand, one hundred forty-five".