57229425 has 72 divisors (see below), whose sum is σ = 117804960. Its totient is φ = 26265600.

The previous prime is 57229423. The next prime is 57229427. The reversal of 57229425 is 52492275.

It is a happy number.

57229425 is a `hidden beast` number, since 5 + 7 + 229 + 425 = 666.

It is an interprime number because it is at equal distance from previous prime (57229423) and next prime (57229427).

It is not a de Polignac number, because 57229425 - 2¹ = 57229423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57229425.

It is not an unprimeable number, because it can be changed into a prime (57229423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 46417 + ... + 47633.

It is an arithmetic number, because the mean of its divisors is an integer number (1636180).

Almost surely, 2^57229425 is an apocalyptic number.

57229425 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

57229425 is an abundant number, since it is smaller than the sum of its proper divisors (60575535).

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

57229425 is a wasteful number, since it uses less digits than its factorization.

57229425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263 (or 1255 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 57229425 is about 7565.0132187591. The cubic root of 57229425 is about 385.3657624841.

The spelling of 57229425 in words is "fifty-seven million, two hundred twenty-nine thousand, four hundred twenty-five".