554987101 has 2 divisors, whose sum is σ = 554987102. Its totient is φ = 554987100.

The previous prime is 554987057. The next prime is 554987113. The reversal of 554987101 is 101789455.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 463325625 + 91661476 = 21525^2 + 9574^2 .

It is a cyclic number.

It is not a de Polignac number, because 554987101 - 2⁷ = 554986973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554987801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277493550 + 277493551.

It is an arithmetic number, because the mean of its divisors is an integer number (277493551).

Almost surely, 2^554987101 is an apocalyptic number.

It is an amenable number.

554987101 is a deficient number, since it is larger than the sum of its proper divisors (1).

554987101 is an equidigital number, since it uses as much as digits as its factorization.

554987101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 554987101 is about 23558.1642111604. The cubic root of 554987101 is about 821.7902098594.

The spelling of 554987101 in words is "five hundred fifty-four million, nine hundred eighty-seven thousand, one hundred one".