554155402 has 4 divisors (see below), whose sum is σ = 831233106. Its totient is φ = 277077700.

The previous prime is 554155379. The next prime is 554155429. The reversal of 554155402 is 204551455.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 548543241 + 5612161 = 23421^2 + 2369^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138538849 + ... + 138538852.

Almost surely, 2^554155402 is an apocalyptic number.

554155402 is a deficient number, since it is larger than the sum of its proper divisors (277077704).

554155402 is a wasteful number, since it uses less digits than its factorization.

554155402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277077703.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 554155402 is about 23540.5055595669. The cubic root of 554155402 is about 821.3794953285.

The spelling of 554155402 in words is "five hundred fifty-four million, one hundred fifty-five thousand, four hundred two".