53190145 has 16 divisors (see below), whose sum is σ = 66799872. Its totient is φ = 40582080.

The previous prime is 53190143. The next prime is 53190199. The reversal of 53190145 is 54109135.

It is not a de Polignac number, because 53190145 - 2¹ = 53190143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53190143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72199 + ... + 72931.

It is an arithmetic number, because the mean of its divisors is an integer number (4174992).

Almost surely, 2^53190145 is an apocalyptic number.

It is an amenable number.

53190145 is a deficient number, since it is larger than the sum of its proper divisors (13609727).

53190145 is a wasteful number, since it uses less digits than its factorization.

53190145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 53190145 is about 7293.1574095175. The cubic root of 53190145 is about 376.0772461823.

It can be divided in two parts, 53190 and 145, that added together give a palindrome (53335).

The spelling of 53190145 in words is "fifty-three million, one hundred ninety thousand, one hundred forty-five".