554977157 has 4 divisors (see below), whose sum is σ = 634259616. Its totient is φ = 475694700.

The previous prime is 554977141. The next prime is 554977193. The reversal of 554977157 is 751779455.

It is a happy number.

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 554977157 - 2⁴ = 554977141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554977057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39641219 + ... + 39641232.

It is an arithmetic number, because the mean of its divisors is an integer number (158564904).

Almost surely, 2^554977157 is an apocalyptic number.

It is an amenable number.

554977157 is a deficient number, since it is larger than the sum of its proper divisors (79282459).

554977157 is an equidigital number, since it uses as much as digits as its factorization.

554977157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79282458.

The product of its digits is 1543500, while the sum is 50.

The square root of 554977157 is about 23557.9531581163. The cubic root of 554977157 is about 821.7853016789.

The spelling of 554977157 in words is "five hundred fifty-four million, nine hundred seventy-seven thousand, one hundred fifty-seven".