57621141 has 12 divisors (see below), whose sum is σ = 86849568. Its totient is φ = 36743784.

The previous prime is 57621127. The next prime is 57621191. The reversal of 57621141 is 14112675.

It is a happy number.

It is not a de Polignac number, because 57621141 - 2⁶ = 57621077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57621101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138975 + ... + 139388.

It is an arithmetic number, because the mean of its divisors is an integer number (7237464).

Almost surely, 2^57621141 is an apocalyptic number.

It is an amenable number.

57621141 is a deficient number, since it is larger than the sum of its proper divisors (29228427).

57621141 is a wasteful number, since it uses less digits than its factorization.

57621141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278392 (or 278389 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 57621141 is about 7590.8590422955. The cubic root of 57621141 is about 386.2429966996.

It can be divided in two parts, 5762 and 1141, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 57621141 in words is "fifty-seven million, six hundred twenty-one thousand, one hundred forty-one".