201553077 has 16 divisors (see below), whose sum is σ = 293405760. Its totient is φ = 122054400.

The previous prime is 201553067. The next prime is 201553081. The reversal of 201553077 is 770355102.

It is not a de Polignac number, because 201553077 - 2⁶ = 201553013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201553067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75949 + ... + 78557.

It is an arithmetic number, because the mean of its divisors is an integer number (18337860).

Almost surely, 2^201553077 is an apocalyptic number.

It is an amenable number.

201553077 is a deficient number, since it is larger than the sum of its proper divisors (91852683).

201553077 is a wasteful number, since it uses less digits than its factorization.

201553077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4964.

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 201553077 is about 14196.9390010664. The cubic root of 201553077 is about 586.3133877629.

It can be divided in two parts, 20155 and 3077, that added together give a palindrome (23232).

The spelling of 201553077 in words is "two hundred one million, five hundred fifty-three thousand, seventy-seven".