53220154 has 32 divisors (see below), whose sum is σ = 88792704. Its totient is φ = 23768640.

The previous prime is 53220151. The next prime is 53220161. The reversal of 53220154 is 45102235.

It is not an unprimeable number, because it can be changed into a prime (53220151) 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, 202227 + ... + 202489.

It is an arithmetic number, because the mean of its divisors is an integer number (2774772).

Almost surely, 2^53220154 is an apocalyptic number.

53220154 is a deficient number, since it is larger than the sum of its proper divisors (35572550).

53220154 is a wasteful number, since it uses less digits than its factorization.

53220154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 53220154 is about 7295.2144588079. The cubic root of 53220154 is about 376.1479584063.

Adding to 53220154 its reverse (45102235), we get a palindrome (98322389).

The spelling of 53220154 in words is "fifty-three million, two hundred twenty thousand, one hundred fifty-four".