54988129 has 4 divisors (see below), whose sum is σ = 62843584. Its totient is φ = 47132676.

The previous prime is 54988127. The next prime is 54988133. The reversal of 54988129 is 92188945.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54988129 - 2¹ = 54988127 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54988121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3927717 + ... + 3927730.

It is an arithmetic number, because the mean of its divisors is an integer number (15710896).

Almost surely, 2^54988129 is an apocalyptic number.

It is an amenable number.

54988129 is a deficient number, since it is larger than the sum of its proper divisors (7855455).

54988129 is an equidigital number, since it uses as much as digits as its factorization.

54988129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7855454.

The product of its digits is 207360, while the sum is 46.

The square root of 54988129 is about 7415.3981012485. The cubic root of 54988129 is about 380.2678835931.

The spelling of 54988129 in words is "fifty-four million, nine hundred eighty-eight thousand, one hundred twenty-nine".