57242262 has 64 divisors (see below), whose sum is σ = 148967424. Its totient is φ = 14219040.

The previous prime is 57242249. The next prime is 57242303. The reversal of 57242262 is 26224275.

It is a congruent number.

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, 7933 + ... + 13319.

It is an arithmetic number, because the mean of its divisors is an integer number (2327616).

Almost surely, 2^57242262 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57242262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74483712).

57242262 is an abundant number, since it is smaller than the sum of its proper divisors (91725162).

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

57242262 is a wasteful number, since it uses less digits than its factorization.

57242262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5433.

The product of its digits is 13440, while the sum is 30.

The square root of 57242262 is about 7565.8616164982. The cubic root of 57242262 is about 385.3945738311.

The spelling of 57242262 in words is "fifty-seven million, two hundred forty-two thousand, two hundred sixty-two".