57421002 has 32 divisors (see below), whose sum is σ = 128001600. Its totient is φ = 17065728.

The previous prime is 57420991. The next prime is 57421027. The reversal of 57421002 is 20012475.

57421002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 57421002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12877 + ... + 16752.

It is an arithmetic number, because the mean of its divisors is an integer number (4000050).

Almost surely, 2^57421002 is an apocalyptic number.

57421002 is an abundant number, since it is smaller than the sum of its proper divisors (70580598).

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

57421002 is a wasteful number, since it uses less digits than its factorization.

57421002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29670.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 57421002 is about 7577.6646798338. The cubic root of 57421002 is about 385.7952908840.

Adding to 57421002 its reverse (20012475), we get a palindrome (77433477).

The spelling of 57421002 in words is "fifty-seven million, four hundred twenty-one thousand, two".