421753055 has 8 divisors (see below), whose sum is σ = 506702112. Its totient is φ = 337003488.

The previous prime is 421753039. The next prime is 421753069. The reversal of 421753055 is 550357124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 421753055 - 2⁴ = 421753039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45179 + ... + 53708.

It is an arithmetic number, because the mean of its divisors is an integer number (63337764).

Almost surely, 2^421753055 is an apocalyptic number.

421753055 is a deficient number, since it is larger than the sum of its proper divisors (84949057).

421753055 is an equidigital number, since it uses as much as digits as its factorization.

421753055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99745.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 421753055 is about 20536.6271573499. The cubic root of 421753055 is about 749.9277293325.

The spelling of 421753055 in words is "four hundred twenty-one million, seven hundred fifty-three thousand, fifty-five".