57026121 has 8 divisors (see below), whose sum is σ = 77889504. Its totient is φ = 37090080.

The previous prime is 57026111. The next prime is 57026141. The reversal of 57026121 is 12162075.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57026121 - 2⁵ = 57026089 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 57026091 and 57026100.

It is not an unprimeable number, because it can be changed into a prime (57026111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231691 + ... + 231936.

It is an arithmetic number, because the mean of its divisors is an integer number (9736188).

Almost surely, 2^57026121 is an apocalyptic number.

It is an amenable number.

57026121 is a deficient number, since it is larger than the sum of its proper divisors (20863383).

57026121 is a wasteful number, since it uses less digits than its factorization.

57026121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463671.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 57026121 is about 7551.5641426131. The cubic root of 57026121 is about 384.9088916926.

Adding to 57026121 its reverse (12162075), we get a palindrome (69188196).

The spelling of 57026121 in words is "fifty-seven million, twenty-six thousand, one hundred twenty-one".