57161214 has 40 divisors (see below), whose sum is σ = 139731768. Its totient is φ = 17321040.

The previous prime is 57161207. The next prime is 57161231. The reversal of 57161214 is 41216175.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14257 + ... + 17820.

Almost surely, 2^57161214 is an apocalyptic number.

57161214 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

57161214 is an abundant number, since it is smaller than the sum of its proper divisors (82570554).

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

57161214 is a wasteful number, since it uses less digits than its factorization.

57161214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32102 (or 32093 counting only the distinct ones).

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

The square root of 57161214 is about 7560.5035546582. The cubic root of 57161214 is about 385.2125974859.

Adding to 57161214 its reverse (41216175), we get a palindrome (98377389).

It can be divided in two parts, 57161 and 214, that added together give a palindrome (57375).

The spelling of 57161214 in words is "fifty-seven million, one hundred sixty-one thousand, two hundred fourteen".