554121236 has 6 divisors (see below), whose sum is σ = 969712170. Its totient is φ = 277060616.

The previous prime is 554121233. The next prime is 554121251. The reversal of 554121236 is 632121455.

It can be written as a sum of positive squares in only one way, i.e., 536848900 + 17272336 = 23170^2 + 4156^2 .

It is a junction number, because it is equal to n+sod(n) for n = 554121199 and 554121208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554121233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69265151 + ... + 69265158.

It is an arithmetic number, because the mean of its divisors is an integer number (161618695).

Almost surely, 2^554121236 is an apocalyptic number.

It is an amenable number.

554121236 is a deficient number, since it is larger than the sum of its proper divisors (415590934).

554121236 is a wasteful number, since it uses less digits than its factorization.

554121236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138530313 (or 138530311 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 554121236 is about 23539.7798630319. The cubic root of 554121236 is about 821.3626144870.

The spelling of 554121236 in words is "five hundred fifty-four million, one hundred twenty-one thousand, two hundred thirty-six".