421055355 has 32 divisors (see below), whose sum is σ = 787843584. Its totient is φ = 188004096.

The previous prime is 421055339. The next prime is 421055359. The reversal of 421055355 is 553550124.

It is a happy number.

It is not a de Polignac number, because 421055355 - 2⁴ = 421055339 is a prime.

It is a super-2 number, since 2×421055355² = 354575223948352050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421055359) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42114 + ... + 51143.

It is an arithmetic number, because the mean of its divisors is an integer number (24620112).

Almost surely, 2^421055355 is an apocalyptic number.

421055355 is a deficient number, since it is larger than the sum of its proper divisors (366788229).

421055355 is a wasteful number, since it uses less digits than its factorization.

421055355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93315.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 421055355 is about 20519.6334031581. The cubic root of 421055355 is about 749.5139695450.

The spelling of 421055355 in words is "four hundred twenty-one million, fifty-five thousand, three hundred fifty-five".