553551494 has 4 divisors (see below), whose sum is σ = 830327244. Its totient is φ = 276775746.

The previous prime is 553551463. The next prime is 553551503. The reversal of 553551494 is 494155355.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138387872 + ... + 138387875.

It is an arithmetic number, because the mean of its divisors is an integer number (207581811).

Almost surely, 2^553551494 is an apocalyptic number.

553551494 is a deficient number, since it is larger than the sum of its proper divisors (276775750).

553551494 is a wasteful number, since it uses less digits than its factorization.

553551494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276775749.

The product of its digits is 270000, while the sum is 41.

The square root of 553551494 is about 23527.6750657603. The cubic root of 553551494 is about 821.0810122999.

The spelling of 553551494 in words is "five hundred fifty-three million, five hundred fifty-one thousand, four hundred ninety-four".