57241002 has 64 divisors (see below), whose sum is σ = 144393984. Its totient is φ = 14722560.

The previous prime is 57240991. The next prime is 57241013. The reversal of 57241002 is 20014275.

It is an interprime number because it is at equal distance from previous prime (57240991) and next prime (57241013).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 57241002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21108 + ... + 23664.

It is an arithmetic number, because the mean of its divisors is an integer number (2256156).

Almost surely, 2^57241002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57241002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72196992).

57241002 is an abundant number, since it is smaller than the sum of its proper divisors (87152982).

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

57241002 is a wasteful number, since it uses less digits than its factorization.

57241002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2623.

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

The square root of 57241002 is about 7565.7783472687. The cubic root of 57241002 is about 385.3917460793.

Adding to 57241002 its reverse (20014275), we get a palindrome (77255277).

The spelling of 57241002 in words is "fifty-seven million, two hundred forty-one thousand, two".