552493657 has 4 divisors (see below), whose sum is σ = 567425956. Its totient is φ = 537561360.

The previous prime is 552493651. The next prime is 552493663. The reversal of 552493657 is 756394255.

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

It is an interprime number because it is at equal distance from previous prime (552493651) and next prime (552493663).

It can be written as a sum of positive squares in 2 ways, for example, as 288626121 + 263867536 = 16989^2 + 16244^2 .

It is a cyclic number.

It is not a de Polignac number, because 552493657 - 2¹¹ = 552491609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552493651) 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, 7466094 + ... + 7466167.

It is an arithmetic number, because the mean of its divisors is an integer number (141856489).

Almost surely, 2^552493657 is an apocalyptic number.

It is an amenable number.

552493657 is a deficient number, since it is larger than the sum of its proper divisors (14932299).

552493657 is a wasteful number, since it uses less digits than its factorization.

552493657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14932298.

The product of its digits is 1134000, while the sum is 46.

The square root of 552493657 is about 23505.1836197891. The cubic root of 552493657 is about 820.5576501246.

It can be divided in two parts, 552 and 493657, that added together give a square (494209 = 703²).

The spelling of 552493657 in words is "five hundred fifty-two million, four hundred ninety-three thousand, six hundred fifty-seven".