420554552 has 16 divisors (see below), whose sum is σ = 860225400. Its totient is φ = 191161120.

The previous prime is 420554521. The next prime is 420554567. The reversal of 420554552 is 255455024.

It is a super-2 number, since 2×420554552² = 353732262415841408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2389427 + ... + 2389602.

Almost surely, 2^420554552 is an apocalyptic number.

It is an amenable number.

420554552 is an abundant number, since it is smaller than the sum of its proper divisors (439670848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420554552 is a wasteful number, since it uses less digits than its factorization.

420554552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4779046 (or 4779042 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 420554552 is about 20507.4267522768. The cubic root of 420554552 is about 749.2166944911.

The spelling of 420554552 in words is "four hundred twenty million, five hundred fifty-four thousand, five hundred fifty-two".