553240774 has 4 divisors (see below), whose sum is σ = 829861164. Its totient is φ = 276620386.

The previous prime is 553240769. The next prime is 553240777. The reversal of 553240774 is 477042355.

It is a happy number.

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

It is a super-2 number, since 2×553240774² = 612150708032238152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553240777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138310192 + ... + 138310195.

It is an arithmetic number, because the mean of its divisors is an integer number (207465291).

Almost surely, 2^553240774 is an apocalyptic number.

553240774 is a deficient number, since it is larger than the sum of its proper divisors (276620390).

553240774 is a wasteful number, since it uses less digits than its factorization.

553240774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276620389.

The product of its (nonzero) digits is 117600, while the sum is 37.

The square root of 553240774 is about 23521.0708514727. The cubic root of 553240774 is about 820.9273535793.

The spelling of 553240774 in words is "five hundred fifty-three million, two hundred forty thousand, seven hundred seventy-four".