552715421 has 4 divisors (see below), whose sum is σ = 565569312. Its totient is φ = 539861532.

The previous prime is 552715411. The next prime is 552715433. The reversal of 552715421 is 124517255.

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 a cyclic number.

It is not a de Polignac number, because 552715421 - 2⁶ = 552715357 is a prime.

It is a super-2 number, since 2×552715421² = 610988673222414482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552715411) 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, 6426881 + ... + 6426966.

It is an arithmetic number, because the mean of its divisors is an integer number (141392328).

Almost surely, 2^552715421 is an apocalyptic number.

It is an amenable number.

552715421 is a deficient number, since it is larger than the sum of its proper divisors (12853891).

552715421 is a wasteful number, since it uses less digits than its factorization.

552715421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12853890.

The product of its digits is 14000, while the sum is 32.

The square root of 552715421 is about 23509.9004889430. The cubic root of 552715421 is about 820.6674226098.

The spelling of 552715421 in words is "five hundred fifty-two million, seven hundred fifteen thousand, four hundred twenty-one".