553430155394 has 4 divisors (see below), whose sum is σ = 830145233094. Its totient is φ = 276715077696.

The previous prime is 553430155363. The next prime is 553430155403. The reversal of 553430155394 is 493551034355.

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., 527748490369 + 25681665025 = 726463^2 + 160255^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138357538847 + ... + 138357538850.

Almost surely, 2^553430155394 is an apocalyptic number.

553430155394 is a deficient number, since it is larger than the sum of its proper divisors (276715077700).

553430155394 is a wasteful number, since it uses less digits than its factorization.

553430155394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276715077699.

The product of its (nonzero) digits is 2430000, while the sum is 47.

The spelling of 553430155394 in words is "five hundred fifty-three billion, four hundred thirty million, one hundred fifty-five thousand, three hundred ninety-four".