421610054 has 4 divisors (see below), whose sum is σ = 632415084. Its totient is φ = 210805026.

The previous prime is 421610053. The next prime is 421610083. The reversal of 421610054 is 450016124.

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

It is a super-3 number, since 3×421610054³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421610053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105402512 + ... + 105402515.

It is an arithmetic number, because the mean of its divisors is an integer number (158103771).

Almost surely, 2^421610054 is an apocalyptic number.

421610054 is a deficient number, since it is larger than the sum of its proper divisors (210805030).

421610054 is a wasteful number, since it uses less digits than its factorization.

421610054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210805029.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 421610054 is about 20533.1452534676. The cubic root of 421610054 is about 749.8429620840.

Adding to 421610054 its reverse (450016124), we get a palindrome (871626178).

The spelling of 421610054 in words is "four hundred twenty-one million, six hundred ten thousand, fifty-four".