55200154 has 4 divisors (see below), whose sum is σ = 82800234. Its totient is φ = 27600076.

The previous prime is 55200151. The next prime is 55200163. The reversal of 55200154 is 45100255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45100255 = 5 ⋅9020051.

It can be written as a sum of positive squares in only one way, i.e., 55100929 + 99225 = 7423^2 + 315^2 .

It is not an unprimeable number, because it can be changed into a prime (55200151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13800037 + ... + 13800040.

Almost surely, 2^55200154 is an apocalyptic number.

55200154 is a deficient number, since it is larger than the sum of its proper divisors (27600080).

55200154 is a wasteful number, since it uses less digits than its factorization.

55200154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27600079.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 55200154 is about 7429.6806122471. The cubic root of 55200154 is about 380.7560064767.

The spelling of 55200154 in words is "fifty-five million, two hundred thousand, one hundred fifty-four".