552137997 has 4 divisors (see below), whose sum is σ = 736184000. Its totient is φ = 368091996.

The previous prime is 552137981. The next prime is 552138049. The reversal of 552137997 is 799731255.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 552137997 - 2⁴ = 552137981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552137897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92022997 + ... + 92023002.

It is an arithmetic number, because the mean of its divisors is an integer number (184046000).

Almost surely, 2^552137997 is an apocalyptic number.

It is an amenable number.

552137997 is a deficient number, since it is larger than the sum of its proper divisors (184046003).

552137997 is a wasteful number, since it uses less digits than its factorization.

552137997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184046002.

The product of its digits is 595350, while the sum is 48.

The square root of 552137997 is about 23497.6168366071. The cubic root of 552137997 is about 820.3815381910.

The spelling of 552137997 in words is "five hundred fifty-two million, one hundred thirty-seven thousand, nine hundred ninety-seven".