57154272 has 96 divisors (see below), whose sum is σ = 181585152. Its totient is φ = 15366144.

The previous prime is 57154249. The next prime is 57154277. The reversal of 57154272 is 27245175.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×57154272² = 6533221615699968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57154277) 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 15 ways as a sum of consecutive naturals, for example, 8923 + ... + 13925.

It is an arithmetic number, because the mean of its divisors is an integer number (1891512).

Almost surely, 2^57154272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57154272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90792576).

57154272 is an abundant number, since it is smaller than the sum of its proper divisors (124430880).

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

57154272 is a wasteful number, since it uses less digits than its factorization.

57154272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5040 (or 5032 counting only the distinct ones).

The product of its digits is 19600, while the sum is 33.

The square root of 57154272 is about 7560.0444443138. The cubic root of 57154272 is about 385.1970026800.

The spelling of 57154272 in words is "fifty-seven million, one hundred fifty-four thousand, two hundred seventy-two".